我读了那个关于高龄母亲的帖子串。

I read the ___thread about older mothers.

论坛版主关闭了那个有争议的讨论串。

The forum moderator closed the contentious ___thread.

你能把那个关于数字隐私的讨论串链接发给我吗？

Could you link me to that ___thread on digital privacy?