检查液压油缸的动作与密封，需要时更换密封件。
Check hydraulic cylinder operation and seal, replace seal if necessary.
当你拥有一个家时，里面的东西，迟早会打破或需要更换。
When you own a home, something is bound to break or need replacing.
当有一个更好的选择，也许可以保持职业但是需要更换工作时，一些女性彻底换了行。
Some women have made complete career changes when a better alternative may have been to keep the career but change the job.
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