It's one of my very favorite daily affairs.

这是我最喜欢的日常事务之一。

I think daily affairs are private things, each person's choice may be different.

我觉得日常的事情都是私事， 每个人的选择可能不一样。

One of my very favorite daily affairs is to browse shopping sites, look at some live streams of my favorite stores and choose my favorite items to buy.

我最喜欢的日常事务之一是浏览购物网站，观看我最喜欢的商店的一些直播，然后选择我最喜欢的商品购买。