If less hot air seeps in, and less cooled air seeps out- the less work your unit has to do to keep the temperature regulated!
如果漏进来的热风越少，漏出去的冷风也越少，那你的空调就不需要那么“努力工作”来让房间的温度保持在某个水平上了。
A JDO transaction instance is the vehicle for carrying out a unit of work, according to the conventional definition of a transaction, against a persistence storage system (or database).
依据对交易的传统定义，一个JDO交易示例就是执行单元操作的载体，执行的基础是持久性存储系统(或者数据库)。
This option specifies whether or not a CICS transaction abend should trigger an automatic rollback of the RRS unit of Recovery and force a back-out of all updates made within the CICS unit of work.
此选项可以指定CICS事务异常终止是否应触发恢复的RRS单元的自动回滚，并强制执行在CICS工作单元中所进行的所有更新的回退。
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