是“at the weekends"还是“at weekends"?

问题描述:

是“at the weekends"还是“at weekends"?

at weekends
at the weekend

一个是特指,一个是泛指.

那要看什么情况了,通常at weekends 是在句子之前用的.at the weekend 是在句子之后用的.
比如
at weekends,i go to the movies.
i go the movies at the weekends.