Because shout is a static method that takes in a String as the first parameter, all Strings wrapped in a use block get a shout method.

由于shout是一个接受String作为第一个参数的静态方法，因此所有封装到use块中的String都获得了一个shout方法。

youdao

Haggon traded a dozen strings of amber and a sled piled high with pelts for six skins of wine, a block of salt, and a copper kettle.

哈根用一打穿起来的琥珀以及一雪橇堆得高高的皮毛换回了六瓶酒、一包盐和一个铜水壶。

youdao

But it's a significant change to the convention that block grants come without strings attached.

BBC: Budget 2013: Stagnation Nation

Long strings of firecrackers were set off in the narrow streets of the French Quarter, enveloping the entire block in smoke.

CNN: ASIANOW - TIME Asia | Asia Buzz: Firecracker Freedom