这不是钱的问题，而是让事情发生的能力。

世界是一本书，不旅行的人只读了一页。

Innovation in fisheries management must go hand in hand with environmental stewardship.

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

真相往往是复杂的，而谎言则总是简单的。