It's a simple problem, but I just want to do it so you get used to working with vectors.
这是个简单的问题,但我还是想做一下好让你们习惯矢量运算
And it's... I think some people just continue to go to school because that's what they have always done,
而且……我觉得有些人继续上学是因为他们习惯做学生了,
Now that's okay as long as you understand what's going on and it's reasonable for your health.
只要人们知道自己的饮食习惯,及这么做对健康是有益的,那就没问题
We tend to think of doing things in a certain way-- everyone else is doing it-- and we assume that that's the smart way to do things.
我们总是习惯按某种方式去做事-,别人也是这么做的-,而我们还自以为这是明智之举。
I've certainly written code that has this problem, I've tried to use my own code that has this problem, and good to us, right, good hygiene, I'm going to use that word again here, of getting into the habit of writing defensive code up front, it's part of that collection of things that you ought to do is a great thing to do.
我举手了吧?,我当然写过犯这种错误的程序了,我也尝试过应用含有这种错误的代码,不错,好的卫生,我还是要用这个词,对我们有帮助,养成写防卫性,代码的好习惯,是你应该做的,一系列事情之一,也是我们日后要做的主要的事情。
Well, we'll sort through all these and discuss what a society might do to help change food preferences and food intake patterns in the society.
我们会通览所有问题然后讨论社会该做些,什么来帮助我们改变饮食偏好和饮食习惯
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