Cut t off time 营业截止时间
Life is not divided into semesters. You don "t get summers off and very few employers are interested in helping you find yourself. Do that on your own time."
生活不分学期。你并没有暑假可以休息,也没有几位雇主乐于帮你发现自我。自己找时间做吧。——比尔盖茨茨。
And the reason is, and this will come up on the problems and a lot of students end up using this equation, which is why I want to head it off and mention it ahead of time, we can't use an equation because this equation is very specific for light.
原因是,很多同学在解题时,都会用这个方程,所以我要,事先提醒你们一下,我们不能用这个方程,因为它只对光是用。
But it's variable because it doesn't always go off on the thousandth time.
但中奖比率是变化的,因为你并不总在拉杆一千次的时候中大奖。
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