如果让你感到失望，对不起。
生活让你感到失望了，但这并不意味着你一定要让自己感到失望。
Just because life has let you down, it doesn't mean that you must let yourself down.
如果你访问另外一台机器上的数据库，性能可能会时常让你感到失望。
If you access a database server on another machine, your performance will most often disappoint you.
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