选择一个村民。 查看村民的物品栏。 选择你想买的物品。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
To select a villager, stand in front of them, and place the reticle on them.  Right-click or press the left trigger button on the controller.  This displays a window. The spaces at the top of the window display what the villager has for sale.  The box in the lower-left corner of the window displays what the villager requires for the trade.  You must have the item they want in your inventory to make a trade. To select an item, click it or press the confirm button on your controller.  The item wil