顾客的信任难获得易失去；永远不要视为理所当然。

问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。

只要符合自然法则，再奇妙的事情也可能是真实的。

The aura given out by a person or object is as much a part of them as their flesh.

林业实践的创新对于应对气候变化的挑战至关重要。

解析：言行应以收敛为主。

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.

We are the product of our evolutionary past.

有时候我确实很想知道大学生活会是什么样子的，但是我还是坚持我的决定。