Second principle: Do not reinvent the wheel.

就像中国的CT扫描仪。

There's no need to reinvent the wheel.

没有必要白费力气做重复工作。

You don't actually have to reinvent the wheel.

实际上，你不必去做另辟蹊径的事情。

It's just that psychologists are worried about reinventing the wheel.

只是心理学家担心在调查已经研究过的事物。

Oh come on Neil, there is no need to reinvent the wheel!

哦，得了吧，尼尔，没必要浪费时间做无用功！

There is no need to spend time and money reinventing the wheel.

没有必要花时间和钱去做重复性的工作。

OK, NASA, the National Aeronautics and Space Administration might have reinvented the wheel, or at least the tire.

好，现在NASA, 即美国航空航天局，重新发明了车轮，或者说只是轮胎。

Don't reinvent the wheel; we already have a plan that seems to work well.

不要浪费时间做无用功了；我们已经有一个看起来很有效的计划了。

To reinvent the wheel means 'to waste time trying to create something that has already been made'.

这个短语的意思是浪费时间去创造已有的东西。

To reinvent the wheel means to waste a lot of time or effort to create something that already exists.

“to reinvent the wheel”意思是花费许多时间或者精力来创造已经存在的事物。

Nancy's new idea is just the same as the old one - she's just reinvented the wheel!

南茜的新主意和之前的想法一样，她只是在浪费时间做无用功罢了！

So to reinvent the wheel means 'to waste time and effort doing something that someone has done before'.

所以这个短语的意思是“浪费时间和精力做一些其他人之前已经做过的事情”。

He spent days working out the new course syllabus when we had planned it already - he's just reinvented the wheel!

他花费了好几天的时间来制定新的课程大纲，可是我们之前就已经计划好了，他只是在浪费时间做无用功！

We don't need to reinvent the wheel at " Hope and Comfort" . There are wonderful organizations that we can work with.

我们不需要另起炉灶，因为有很多出色的组织可以合作。

However, one man actually did reinvent the wheel.

然而， 一个人确实重新发明了轮子。

I had no desire to reinvent the wheel.

我不想重新发明轮子。

There's no need to reinvent the wheel here.

没有必要在这里重新发明轮子。

So don't try to reinvent the wheel.

所以不要试图重新发明轮子。

Next thing you know they'll reinvent the wheel and call it " The Spinfinity."

- 接下来你知道他们会重新发明轮子并称之为“The Spinfinity”。

You know, I would just say: don't try and reinvent the wheel.

你知道，我只想说：不要尝试重新发明轮子。