Translation of "Allows" in Chinese

This rule allows no exception.

这条规定不许例外。

The application allows you to quickly calculate the ratio of body mass index - BMI.

這項應用程序能讓你快速計算身高體重指數（BMI）。

- We will go on a picnic if it is fine tomorrow.
- We’ll go on a picnic tomorrow if the weather allows.
- We’ll go on a picnic tomorrow if the weather’s good.
- We'll go on a picnic if it's fine tomorrow.

如果明天天气好，那么我们就去野餐。