【单选题】In the sentence “Consumers bother less with pocket change and are able to use plastic even at tradition- ally cash - only vendors.” ( paragraph 3 ), the word “plastic” has the meaning of _____.
【简答题】Suggestions for the Use of Plastic Bags 关于使用塑料袋的建议 Restrictions on the use of plastic bags have not been so successful in some regions. 'White pollution' is still going on. Write a letter to the edito...