The renovation should pay attention to should be kitchen toilet, the change of the destruction of the waterproof layer is the most trouble spot, and difficult to repair.

改造应注意的应该是厨房卫生间的变迁，防水层的破坏是最麻烦的地方，并难以修复。

youdao

The car rental industry continues to face a difficult operating environment with fewer people renting cars and rising costs (e.g. higher vehicle maintenance and repair costs).

因为租车的人越来越少、成本上涨(汽车维护及修理的成本)等原因，租车行业依然运营困难。

youdao

In the automobile maintenance and repair, it is difficult to inspect and diagnose the troubles of the automobile electronic control system.

在汽车维修中，对汽车电子控制系统的检测与故障诊断是一项难度较大的工作。

youdao

But hernias don't go away on their own and tend to get larger and more difficult to repair with time.

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But the damage has been done, and will be difficult to repair.

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These major nodes are not only critical to the nation's power-grid and telecommunications capability, but would be extremely difficult and time consuming to rebuild or repair.

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