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本帖于 2010-07-12 15:56:21 时间, 由版主 林贝卡 编辑
回答: Mid-year Resolutions冲浪潜水员2010-07-12 00:46:53

In this case, "take time to improve ..." is better than "spend time improving ...".

If you're saying how you spent the time (or money), use the -ing form.

If you're saying why you spent the time (or money), use the to - form.

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