For Bentham, all that matters, you'll remember, are the intensity and the duration of a pleasure or pain.

对边沁来说，要记住，真正重要的，是快乐或痛苦的强度和持续时间。

耶鲁公开课 - 公正课程节选

The one thing you want to keep in mind though is that Hertz does not actually mean inverse seconds, it means cycles per second. So, if you're talking about a car going so many meters per second, you can't say it's going meter Hertz, you have to say meters per second.

写成5每秒，或5赫兹,你们要记住的是赫兹,并不等于秒的倒数，它是每秒的循环数，如果你们说,一辆车一秒可以走多少米,你不能说它走了米赫兹。

麻省理工公开课 - 化学原理课程节选