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1·Ironically the success of the control programs is partly to blame for the resurge nce of malaria.

令人啼笑皆非的是，这种控制计划的成功要对疟疾的卷土重来负一定的责任。

2·Sometimes, remnant cancer cells resurge, and there's usually no easy way to tell when this is happening.

有时候，剩下的癌细胞将重新增殖，而还没有简单的方法检测其几时发生。