这是比较简单的编码，但是安全性比较差，因为不能绝对保证用户没有手工删除过一个断接子组，所以会漏删编号较大的组。
This is easier coding, but less safe because there's no absolute guarantee that someone may not have deleted one of the breakout subgroups manually, so you miss deleting higher-numbered groups.
如果漏服了一个周期内的一片或者数片药物，那么该周期内非意愿性妊娠的风险将增加。
If, however, you've missed a dose - or several doses - during a cycle, you might be at higher risk of unintended pregnancy during that cycle.
他停了半拍，确保这句引用乔布斯在展示苹果时的名言没有被听漏，随即爆发出了他那标志性的大笑。
He waits a half-beat to make sure the reference to Jobs’ famous line from Apple presentations hasn’t been missed, then gives his notorious barking laugh.
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