As a general rule, you are forbidden to smoke in public places.

一般来说，你不能在公共场所吸烟。

As a general rule vegetable oils are better for you than animal fats.

一般来说，植物油比动物脂肪对人较有好处。

As a general rule, all muscular effort is enhanced by breathing in as the effort is made.

一般规律是，肌肉都通过用力吸气而增强力量。

As a general rule, you should avoid this kind of food.

一般来说，你应该避免这种食物。

As a general rule, keeping smiling can leave a good impression on the interviewers.

一般来说，保持微笑能给面试官留下好的印象。