测试程序的最好方法是测试它。

他们曾说这城市是天堂，但我发现它是地狱。

Assume anyone asking for your account information for any reason is guilty of scamming you， unless proven innocent. The way to prove innocence is to call them back， or login to your account using numbers or a website that you provide， not them. Don’t release any identifying information while they are contacting you via phone， message or email. You must control the channel.

文学的美在于它能够超越时间和空间。