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[今日口语] She is in a quandary about which university to choose.

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keep up

保持,持续,使…不能入睡,熬夜,支撑

同：	[v.] conserve, follow, prolong, sustain

动词解释：

maintain a required pace or level
- He could not keep up and dropped out of the race
lengthen or extend in duration or space
- We sustained the diplomatic negotiations as long as possible
- prolong the treatment of the patient
- keep up the good work
[同] keep up, prolong, sustain

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