When you have a new haircut, you do not need to explain it.

当你换了一个新发型的时候，你无需多做解释。

youdao

Not only do we need no God to explain the universe and life. God stands out in the universe as the most glaring of all superfluous sore thumbs.

我们不光不需要任何上帝为我们解释宇宙和生命，而且在全宇宙所有多余无用的事物中，上帝无疑是最为耀眼、最为鹤立鸡群的一个。

youdao

This May 16 explain why we are not usually sensitive to our own smells we simply do not need to be.

这(16)也可以解释为什么我们通常对气味不敏感——只是因为我们确实没有这种需要。

youdao

They need to explain that vaccines do not cause autism, nor do the ingredients in vaccines, and that scientific studies involving hundreds of thousands of patients support these conclusions.

FORBES: Should Doctors Fire Their Anti-Vaccine Patients?

This is an old habit (the first newspaper in France was supported by Cardinal Richelieu, the country's first prime minister) and may explain why French politicians do not need to tell the truth to voters: it is because no one else will.

ECONOMIST: Vive la diff��rence