repair: 修理；修补；修复；整修
to repair (the surface of) the road
to repair a roof after a storm
The garage said the car was so old it wasn\'t worth repairing.
maintain: 维持；保持
The army has been brought in to maintain order in the region.
康辉旅游网
水利万物而不争,
而万物莫能与之争。
