农业科学家的责任就是让土地多产粮食，让农民多收粮食。
The responsibility of agricultural scientists is to make the land produce more grain and let farmers harvest more.
The monument is a fixed point in the changing city.
The stock market is a voting machine in the short term, but a weighing machine in the long term.
不要让恐惧阻止你追求梦想。
If there was less sympathy in the world there would be less trouble in the world.