自从1998年以来，就启用了。

It has been in use since 1998.

youdao

当活动的功能被提供给用户时，此活动就处于启用状态。

An activity is enabled when its functionality is available to the user.

youdao

可以说，自互联网诞生，电子信箱的启用，垃圾邮件就产生了。

Can say, be born from Internet, of electronic mailbox enable, rubbish mail arose.

youdao

可以说，自互联网诞生，电子信箱的启用，垃圾邮件就产生了。

Can say, be born from Internet, of electronic mailbox enable, rubbish mail arose.

youdao