Lack of maintenance inevitably leads to something big breaking and that will cost you a lot more to repair than it would have cost to make small, ongoing investments in regular maintenance.
缺乏保养会导致严重的问题发生，这样花在维修上的钱就比花在定期维护上的钱要多得多了。
2
If the instrument is worth a lot, the quality of the repair can make a big difference to its value, so a skilled restorer can set his price.
如果一副乐器很值钱，根据其价格不同，维修费也会有很大差别，熟练的维修工据此可以自己来定价。
3
Researchers have discovered that transplanting specially treated repair stem cells into damaged muscle makes them twice as big and strong – and also stops them from ageing.