【Denny】評論

The typical Americanthrows away about 590 kg. of garbage a year. For the nation as a whole,this (16) 160 million tons of waste a year, or enough to make a chainof 10-ton garbage trucks halfway to the moon. In the early 1990s, Japanrecycled about 50% of its trash; the U.S. only about 10%, (17)estimates of the U.S. Environmental Protection Agency. In modernrecycling plants, (18) can handle the metals and the glass, but peoplemust separate the plastic by hand, so when people put out the garbage,they must separate the recyclable (19) the non-recyclable materials.Recycli...

【喬治小肥肥貓】評論

The typical American throws away about 590 kg. of garbage a year.For the nation as a whole, this (16)means 160 million tons of waste a year, or enough to make a chain of 10-ton garbage trucks halfway to the moon.In the early 1990s, Japan recycled about 50% of its trash; the U.S. only about 10%, (17)according to estimates of the U.S. Environmental Protection Agency.In modern recycling plants工廠, (18)machines can handle the metals and the glass, but people must separate the plastic by hand, so when people put out the garbage, they must separate the recyclable (19)from the non-recyclable ma...

【aa1685】評論

比較前後句，but people所以前面應該是和人相對的同樣都是做事情所以後面可以用機器machines