If it's yours, tea first milk second is the done thing.

如果是您的，那么先喝茶再喝牛奶就可以了。

The wearing of wedding rings has been the done thing for centuries amongst wives but only became common practice amongst husbands during World War II.

早在几个世纪以前，妻子戴婚戒就已成了理所当然的事，但丈夫戴婚戒的传统是二战时期才形成的。