Daily Vocabulary(2008/01/25)

5151.go mainstream(主流（派)になる）
Green is going mainstream for couples in all walks of life.
5152.all walks of life(あらゆる階層の人々、すべての社会的・経済的・民族的集団）
This line of shoes will be popular among all walks of life.
5153.fine and dandy(すごくいいよ）
Organic food and recycle paper are fine and dandy.
5154.nod to(～にうなづくこと、～を認めること）
They all gave the nod to my proposal.
5155.dioxide(二酸化物）
Carbon dioxide is a gas that neither smells nor burns.
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