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1·While computers offer these conveniences to consumers, they have many advantages for sellers too.

电脑在给消费者提供这些便利的同时，也给销售者带来了很多好处。

2·They are seen as abandoning both modern conveniences and the American dream of success and progress.

他们被视为同时抛弃了现代化便利和关于成功与进步的美国梦。

(1)for the convenience of为了…的方便

(1)convenience store便利商店

(1)for convenience为了方便起见

(1)at your convenience在你方便的时候

(1)at your earliest convenience尽早；得便务请…从速

(1)convenience sampling便利抽样；方便抽样；任意抽样