You could always ...

We use this expression to make a suggestion.

我们用这个表达来提个建议。可以理解为“你做...也行啊，你可以随时...”

A: I don't know what to do this weekend.

我不知道这个周末做什么。

B: You could always come with me. I'm going to Liverpool with some friends.

你找我来也行啊。我要和一些朋友去利物浦。