It is not because certain things are difficult that we do not dare;it is because we do not dare that things are difficult.
虽然我准备好成仁了,但这事赶晚不赶早。
物理学中的每一个发现都打开了一扇通往新奥秘的门。
Collaboration across borders is essential to solving global food challenges.
这值得说两遍:量两次才切一次。