The McDonald's menu varies greatly from country to country.

不同国家的麦当劳菜单变化很大。

My husband's mood varies greatly on the weather that day.

我丈夫的心情随当天天气的变化而变化。

The idea of what constitutes a happy life of course varies from person to person.

当然，是什么构成了幸福生活这个想法因人而异。

The effect of the treatment varies with different individuals.

疗效因人而异。

The menu varies with the season.

菜单随季节而变动。

The text varies from the earlier versions.

这一文本有别于那些早期的版本。

As they're handmade, each one varies slightly.

由于它们是手工制作的，每一件都会略有不同。

The students' work varies considerably in quality.

学生作业的质量甚是参差不齐。