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测试程序的最好方法是测试它。
The best way to test a program is to test it.
"Time is not a line but a dimension, like the dimensions of space."
In mathematics, you don't understand things. You just get used to them.
在每个角色中,都有我的一部分,而在我身上,也有我扮演过的每个角色的一部分。
I think it's important to take risks, to step out of your comfort zone.
Natural gas will play a critical role in the transition to a lower-carbon future.