数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
Profitability and environmental stewardship can—and must—go hand in hand.
失败是最好的老师。你通过犯错并找出纠正错误的方法来学习。
The highest form of ignorance is when you reject something you don't know anything about.
不信你短短观察几天,就不如初次的印象好了。
Every decision we make today will ripple through the marine ecosystem for decades.
解释:大多数花类药材都有升散的作用,而旋覆花却有降气的作用,说明药材特性的多样性。
The biggest victories are the ones that are the hardest to achieve.