Question

じゃが・りこ

黄色いマークのしてあるthisは『checkout bags』か『polyethylene』どっちでしょうか
またtheyはwaste productsであってますか？
確認の方よろしくお願いします

However, are checkout bags always bad and eco-bags always good? Checkout bags are
made of polyethylene, and some of this comes from the waste products of oil refineries. They
do not consume much oil. In contrast, many of the eco-bags are made of polypropylene,
「その一方で」

Answer 1

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OKa

多分
this →単数のためpolyethylene
They→文意からcheckout bags
だと思います

じゃが・りこ

ありがとうございます