If you can hold the racquet in upright position ( racquet body never below your wrist) elbow close to your body you can be an efficient volleyer.

假设您能保持拍身高于手腕，手肘不离身体太远，您可以成为有效率的截击手。

youdao

Graham added that your stock proportion should never go below 25% (when you think stocks are expensive and bonds are cheap) or above 75% (when stocks seem cheap).

格雷厄姆补充说，你的股票投资比例永远不应低于25%(当你认为股票昂贵而债券便宜的时候)，也不能高于75%(当股票看起来价格低廉的时候)。

youdao

The power of words never fails to inspire. Below are 15 of the best motivational quotes and a much needed early week pick-me-up. I hope you enjoy.

语言的力量，足以激荡人生。以下15句最鼓舞人心的名言，是我每周都需要的“兴奋剂”，希望你也会喜欢。

youdao

I'm not going to tell you what you want to do except to say, you would never pick a point below the minimum variance portfolio, right?

我不是教你怎样去组合，当然了，你不会选择一个,曲线上最小方差点以下的资产组合，对吧？

耶鲁公开课 - 金融市场课程节选

If all went without the tiniest hiccup, something that never happens when you are drilling five miles below the surface, and if the drilling proceeded at 150 feet per day as it has been recently, they could drill to the targeted depth in just five more days.

FORBES: Magazine Article

By carefully tracking your spending, you can be sure never to dip below your comfort zone.

FORBES: Become Allergic To Bank Fees

It works like bifocals in that you look up to see the display so your normal vision below is never blocked.

WSJ: The Weekend Interview With Sebastian Thrun: What's Next for Silicon Valley?