You can wear them separately

你可以───you can

You can pay to be upgraded to a business class seat.───你可以付费升级到商务舱。

Two historical questions — you can answer them how you like.───两个历史问题——你可以随便回答。

You can all come? Excellent!───你们都能来？太好了！

Imagine long golden beaches where you can wander in solitude.───想象一下那长长的金色海滩吧，在那里你可以独自徜徉。

You can cobble it together from any old combination of garments.───把以前的衣服随便搭配一下就能拼凑出一套。

You can engage in croquet on the south lawn.───你可以参加南边草坪上的槌球游戏。

You can throw away any excess.───凡超量的你都可以扔掉。

Swimming is probably the best form of exercise you can get.───游泳或许是现有的最佳锻炼方式。

You can talk frankly to me.───你可以坦率地对我谈。

Jovial ladies chivvy you into ordering more than you can eat!───热情的女招待会一再推荐，最后点的餐多到吃不下!

You can have too much of a good thing. 

As long as ever you can. 

Don't try to run before you can walk. 

Don’t put off what you can do today till tomorrow. 

Be always as merry as ever you can, for no-one delights in a sorrowful man. 

You can choose your friends but you can't choose your family. 

Don't try to walk before you can crawl. 

You can’t touch pitch without being defiled. 

Experience is a school from which you can never graduate.