A rule of thumb is a general estimate.

一则经验法则是一种大致的估计。

You know, here's a good rule of thumb.

这是一个很好的经验。

Here are some handy rules of thumb.

以下是一些好用的经验法则。

So rule of thumb, two thirds.

三分之二。

But it points to a few rules of thumb.

但它指出了几条经验法则。

Shaimaa, " Does the rule of thumb equal to common sense? "

Shaimaa 说，“经验法则等于常识吗？”

The thumb. A rule of thumb is a guideline, right?

这是“大拇指”。经验法则是一种指导原则，对吧？

The rule of thumb for packing is pack less, not more.

打包大致的原则就是要带得少而不是带得多。

Rule of thumb, just don't drink until you feel better.

一个简单的原则，就是在感觉好些之前不要喝酒。

According to experts, two or three times a week is a good rule of thumb.

根据专家的说法，每周最好洗两到三次。

There is a rule of thumb here, which I believe very useful.

这里有一条经验法则，我认为它非常有用。

A rule of thumb is a practical but approximate way of doing something.

经验法则是一种实用且相似的做事方法。

Diagnosing someone's illness is complicated but there are some rules of thumb.

诊断某的疾病是复杂的，但有一些经验法则。

Rule of thumb is to respond within 20 minutes.

经验法则是在 20 分钟内回复。

The exception to this rule of thumb, if you will, is our fingers.

上述规则对拇指不成立，如果你希望的话，手指也是如此。

For a general rule of thumb, keep your comments to two minutes or less.

一般来说，把你的评论控制在两分钟以内。

But it's still a useful concept as rule of thumb for potential habitability.

不过这仍然是判断潜在宜居性的有用法则。

A rule of thumb is a useful but approximate way of doing or measuring something.

经验法则是一种实用且相似的做事方法或衡量方法。

That's usually my rule of thumb: would my parents understand this?

我的父母能不能理解？

But a good a rule of thumb is to look for ingredients you don't recognise.

但一条好的经验法则是寻找你不认识的成分。