当作者开启职业生涯时，人们为什么经常更换工作？

Why did people often change jobs when the author started his career?

youdao

保证系统和程序的密码经常更换。

Ensure system and application passwords are changed regularly.

youdao

你是否经常更换手机铃声，永远找不到完美的呢？

Changing ringtones often, and you can never find that perfect one?

youdao

And when we talk about intensity in terms of units, we usually talk about watts, so if you change your lightbulb, usually you see the intensity in terms of watts.

当我们讨论强度的单位时，我们经常用瓦特，所以如果你更换灯泡，你通常会看到,以瓦特为单位的强度值。

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