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n. 维修，保养，维持，保持，生活费用5 次
This is why the recent severe delays caused by numerous maintenance works have thrown the rail industry into chaos at a time when most people head on holiday, which matters for business in a country where tourism accounts for 10 percent of GDP.
正因如此，近期大量维修工程造成的严重延误，在大多数人外出度假之际让铁路行业陷入混乱，而在一个旅游业占GDP 10%的国家，这对经济事关重大。
is an example of good maintenance.
是良好维护的典范。
neglect car maintenance.
忽视汽车保养。
Collectively, they have a maintenance backlog of more than $12 billion.
这些公园累计积压的维护费用超过120亿美元。
Yes, more investment is needed, but passengers will not be willing to pay more indefinitely if they must also endure cramped, unreliable services, interrupted by regular chaos when timetables are changed, or planned maintenance is managed incompetently.
没错，需要更多投资，但如果乘客还必须忍受拥挤、不可靠的服务，以及时刻表变更或计划内维修管理不善时频繁出现的混乱，他们就不会愿意无限期地多付钱。