It means you can take the posters off the wall, pack up winter clothes, return all borrowed books to the library, etc.

这意味着你可以把墙上的海报拿下来，把冬天的衣服打包，把借的书还给图书馆等等。

youdao

He puts on his warm winter clothes.

他穿上暖和的冬衣。

youdao

If you want to keep winter clothes in top form for next year, you must abide by the laws of seasonal clothing storage.

如果你希望明年这些冬季服装依然如故的话，你必须依照下列的方法储存冬季衣服。

youdao

Clothing and footwear was the strongest non-food category, with winter weather encouraging people to shop for boots and seasonal clothes.

BBC: Scottish Retail Consortium: food sales boost for shops