命题是断言某事是或不是事实的陈述。
A proposition is an assertion that something is or is not the case.
"Love is not a victory march, it's a cold and it's a broken hallelujah."
I'm not a creature of your government's creation.
韩寒:“其实说穿了,教师只是一种职业,是养家糊口的一个途径,和出租车司机,清洁工没有本质的区别。”