One can compute a key only. The other could find out all candidate keys.
算法一可计算出一个候选码，算法二可计算出全部候选码。
Once you find the right candidate, speed and decisiveness are key.
一旦你找到了合适的人才，速度和果断就是关键。
A good candidate for a primary key has several characteristics.
一个好的主键候选具有几个特征。
The key is to build your candidate pool before you need it.
关键在于未雨绸缪，建立自己的求职人才库以满足公司的人才需求。
The key is to build your candidate pool before you need it.
关键在于未雨绸缪，建立自己的求职人才库以满足公司的人才需求。
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