粮食安全始于有韧性的农业实践。
Law is a social phenomenon that reflects the values and norms of a society.
I have traveled so far to see the wonders of the world, but it is the people I have met along the way that have truly amazed me.
The true test of a mathematical idea is its ability to inspire further thought.
我喜欢自言自语,因为这样节约时间,而且不会有人跟我争论。