对于具有大量用户或运行长期事务的系统，或者事务涉及大量实体，需要等待锁释放的概率则会增加。
On a system with many users or with long-living transactions, or when transactions involve a greater number of entities, the probability of having to wait for a lock to be released increases.
即使你是等待被处决的死刑犯——超过99%的谋杀犯都不会被判死刑——每年被处死的概率大约只有2%。
Even if you are on death row-a fate over 99% of murderers escape-the chance of being put to death in any given year is only about 2%.
我有耐心，我等待高概率的交易。
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