英语翻译Business tide is full of competitive and boundless chall

英语翻译
Business tide is full of competitive and boundless challenges for businessman.
商潮淘沙，行者无疆这句话怎么翻译好呢？
像下面这样翻译可以吗？
Great waves wash away the sand,for traveller is boundless.
Great waves wash away the sand and traveler’s challenges are boundless.
Business is full of competitive and challenges are boundless for businessman.
到底怎么译成英文好呢？高手都跑到哪里去了呢？不是把我写的英文句子译成汉语哦。