A good rule of thumb is that a broker must generate sales of ten times his salary if his employer is to make a profit.

一个很好的经验法则是，雇主要获取利润的话，其中间人必须创造10倍于自己薪水的销售额。

《柯林斯英汉双解大词典》

A rule of thumb if you like. A way of making a decision.

拇指原则，一种做决定的方式。

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At some level Akhromeev was following a rule of thumb of Soviet conservatives: You're in a hole?

在某种程度上，阿赫罗梅耶夫是跟随了苏联保守派的经验法则：你在洞里吗？

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Light travels basically a foot in a nanosecond. Simple rule of thumb.

光行进的速度是每纳秒一英尺,很简单的经验法则了。

麻省理工公开课 - 计算机科学及编程导论课程节选

That's actually a really good rule of thumb.

那实际上是一个好的经验法则。

哈佛公开课 - 计算机科学课程节选

So really, the rule of thumb if you think back to Scratch is -- that any time you write a statement -- -- something that does something in one line of code -- you generally need the semicolon there.

实际上，根据经验，你们回忆一下在Scratch中,任何时候你们写一条语句-,处理一些操作的一行代码-,你们通常需要在那里加个分号。

哈佛公开课 - 计算机科学课程节选

Sy Harding , editor of Street Smart Report, cites that last Fed tightening cycle as an illustration of a rule of thumb he calls "Three Steps and a Stumble"--the third rate hike kills the bull.

FORBES: Despite Rate Hikes, Stocks Ready To Bounce

Often we accept people into our social networks by extension of trust, i.e. a friend of a friend, so a good rule of thumb might be to question how well you really know a person before accepting a new friend request.

FORBES: Be Careful Who You Know

Robert Hazlett, pharmaceuticals analyst at Robertson Stephens, says he uses a rule of thumb that a drug is worth four times continuing sales.

FORBES: Magazine Article