问题描述：
such as后面的名字要加a,an,或the吗?或者变复数?
如这句话,我会用一些设备,例如：MP3,数码相机,手机.
I can use some devices,such as mp3 player,digital camera,mobile phone.
如这句话,我会用一些设备,例如：MP3,数码相机,手机.
I can use some devices,such as mp3 player,digital camera,mobile phone.
问题解答：
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