1.residual 剩余的

There are still a few residual problems with the computer program.

电脑程序还有一些残留问题@BWsVy=LMxH+B1v+L-3。

2.whence 由此

They returned whence they had come.

他们从哪里来又回到哪里去了nroGR,r)NU~vbD。

3.efficacy 功效

Recent medical studies confirm the efficacy of a healthier lifestyle.

近来的医学研究证实了更健康的生活方式的功效*]TyE8=yJ|#CHYF-2&。

4.go into production 投产

That model won't go into production before late 2007.

那种型号要到2007年底才会投入生产HEi(t^JagVN=。

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