激情的持续时间与女人最初的抗拒成正比。
The duration of passion is proportionate with the original resistance of the woman.
心理过程是生命有机体的生存工具包。
Investing in employee training isn't an expense—it's the foundation of quality and operational excellence.
在化学中，就像在生活中一样，最深刻的真理往往是最简单的。