我们是同龄人，所以有很多共同话题。

We are of the same age, so we have a lot in common.

然后，你们可以就这个共同话题聊天，进而引出其他话题。

Then, you can talk about your shared activity, which will lead to other conversation topics, too.

那么他们两代至少有一个共同话题。

At least they possessed a lingua franca.

苏菲和凯拉都是第一次怀孕，难怪她们有很多共同话题。

No doubt Sophie and Keira had lots to talk about with them both being pregnant for the first time.

怎样防范商业银行风险，维护商业银行稳健运营，成为了全天下银行业羁系的共同话题。

How guard against trade bank risk, support a trade bank steady luck camp, became the common topic that banking in the whole world takes charge of.