Sustainable fishing isn't an option—it's the only path forward if we want our industry to survive.
自然实验可以为经济问题提供有价值的见解。
言语总是列举商汤与周文王,而行为却比作狗与猪,可悲啊! 
如果你对自己是否能一次搞定怀有任何疑虑的话,就对自己好点,分两次搞定吧。
"Life is 10% what happens to you and 90% how you react to it."