What does a maintenance cost?

维护费用是多少？

His maintenance cost is very low.

他的维护费很低。

IDS is well-known for its low maintenance cost.

IDS因其低维护成本而闻名。

Sometimes, higher maintenance cost or roofs unable to handle the weight.

有时，昂贵的维护成本或楼顶的承重限制也使人们望而却步。

This new method can reduce software development cost and software maintenance cost.

新方法既可降低软件开发成本又可减少软件维护费用。