A program that has not been tested does not work.
未经测试的程序是无法正常工作的。
凡是创作古文，必须推究前代文章的本意，以此形成自己的言论。
Program testing can be used to show the presence of bugs, but never to show their absence!
地理学的研究是对地球作为人类居住地的研究。
The writer is someone who plays with the body of his mother.
I think that life is a gift and that it is important to take advantage of every moment.