第三，我们能够回收所有我们的清洁的纸，还有午餐的包装材料。它们不会当垃圾扔在地上。
Thirdly, we can recycle all our clean paper lunch wrappers as well. Then they won't end up on the ground as litter.
有一次，我和小伙伴把一些垃圾扔在地上，刚好看见了一辆垃圾车停在路过，一位清洁工人正在街的另一过扫地。
On one occasion, I and a friend put some garbage on the ground, just saw a garbage truck parked in passing, a cleaner is another of the street sweeping the floor.
有一次，我和小伙伴把一些垃圾扔在地上，刚好看见了一辆垃圾车停在路过，一位清洁工人正在街的另一过扫地。
On one occasion, I and a friend put some garbage on the ground, just saw a garbage truck parked in passing, a cleaner is another of the street sweeping the floor.
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