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When we talk about food security, we're really talking about national security.
当我们谈论粮食安全时,我们实际上是在谈论国家安全。
The competition in the automotive industry has shifted from mere product competition to a full-value-chain ecological competition.
学习数学的唯一方法就是做数学。
You are not stuck where you are unless you decide to be.
Every discovery in physics opens a door to a new mystery, and that is the beauty of science.