The past is a foreign country; they do things differently there.
过去是一个异国;他们在那里的做法不同。
The night is my lover, and the music is my mistress.
如果数据不能证明索引获胜,那么数据是错误的。
Risk management in mining isn't about eliminating all risks - that's impossible - but about understanding and mitigating them intelligently.