The old lady sits on a mobile chair every morning.

那位老妇人每天上午坐在折椅上。

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The old lady sits on a mobile chair every morning.

那位老妇人每天上午坐在一把可携带使用的椅子上。

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He put the mobile phone beside him, on the arm of the chair.

他把手机放在他旁边，放在椅子的扶手上。

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This article is by Paul Palmieri, co-founder and CEO of Millennial Media and global vice chair of Mobile Marketing Association.

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