it will的缩写,it shall的缩写;
英文例句/中文翻译:
Shut the window, otherwise it'll get too cold in here.
把窗户关好,不然屋子里就太冷了。
It'll be a snack.
这不过是小事一桩。
It'll be two pounds to get the bus
乘公共汽车要花两英镑。