李笑来21天词汇我有第二版的,几年前买的,还需要买第三版的吗?第二版和第三版有什么区别?会不会核心词汇不同了==准备3个

求救~李笑来的托福高分作文,第16篇文章有句话,不懂它的语法阿
the benefits of a restaurant to community life are harder to measure than are its economic benefits,but in my opinion are sorely needed in our community 这个are前面省略什么?感觉这句话有问题?

李笑来高分作文的水平
我再过一个半月就考试了,今天才开始准备作文.但我发现李笑来的这本书水平真高啊,有些个句子我要看两遍才明白呢.而且有些句子看起来很怪异,我平常都不那么写的.我现在想问,它是托福作文的真实水平吗?想要考到90分以上必须达到他的那种水平或不相上下吗?真本书参考价值大么?（要是真这样我就悲剧了~那水平我要练多久才能达到啊）

托福作文 请帮我看一下文章有什么错误,这是我根据李笑来托福作文的中文解释逆向倒翻的
television destroyed communication among people
Although television has some bad impact,it cannot destroy communication among friends and families.(这里family用复数好还是单数好 我想表达的是家庭和朋友)Even the claim seems to be exactly correct to some people that television can destroy communication among friends and families.
Television was invented in last century.It becomes one of the most powerful communication tools in history for its acceptable price and increasingly abundant programs and it is more and more difficult to ignore .Television is one part of our life such as eating,working,attending school ;survey constantly shows television takes the time (这里是the time好还是time好)as long as ordinary American children spending in school(是用on school吗)Every day we all only have24 hours so it is obvious that the time we spend on television more ,the less we can communicate with families or friends.Therefore newspapers or journals had the article which named “Television robs my husband”
Even though the statement is so vivid but it is not true .Not television but the daily increasing pressure of modern life robs her husband .We have not the exact evidence(我想表达确切的证据) to prove modern people bear more pressure than ancient people(我想表达以前的人) but it is true that people endure immense pressure from all around including work,study,economy aspect.The survey shows that the time of the people whose incomes over 50000 RMB each year having to spend at least 60hours on working each week that is much more than people earning 20000 RMB each year.(想说的是调查显示,年收入人民币五万元以上的人每周至少要花60个小时工作远远超过那些年收入两万元人民币的人,但是句子太长我不知道怎么办了,而且我觉得比较的对象是时间所以就特意把time提了出来) Today bachelor’s degree can not ensure a high salary.More and more companies ask at least master’s degree on want ads.That requests two or three years more than bachelor’s degree.
Present people（想表达的是现在的人们） almost have no time to do anything; television only is one of the abundant causes of destroying communication and it is not the main cause certainly.It seems the more education people accept,they can realize the bad influence of watching television too long more sharply so they can avoid it intentionally or they do not watch it at all.（想表达的是似乎人们接受的教育越多,就越能认识到过多地看电视所导致的有害影响,这里不知道怎么用the more the more的结构） On the other hand there are many people absorbing in television.In fact,if there is not television,they must find out other evasive ways such as intemperance and gambling.In other words people are always doing what they want.Therefore I do not agree with the statement of television destroying the communication among friends and families.

李笑来托福高分作文中第44篇中,这句话错了吗?
Traveling with a companion may solve both of these problems and at the same time adds to the enjoyment of the trip.句中的adds 是不是应该改成 add

《TOEFL-ibt 高分作文》李笑来
我想练习一下关于遣词造句之类的~想问一下这本书好不好~或者推荐些别的~