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To be sure , the company has occasionally killed duds or those that fell out of favor .

谷歌自己偶尔也会砍掉一些过时或过气的服务。

Some of them turn out to be total duds .

其中一些最终被证明总哑弹。

Are those your new duds ?

那些是你的新衣服吗？

I finished first , so I made one for you , duds .

我是第一个完成的，所以帮你也做了一个，达斯。

The researches on mao duds literary criticism are of the positive and negative attitudes in the period .

摘要新时期以来对茅盾文学批评的研究，有肯定和贬抑两种态度。