But airlines may not return to normal service for months, depressing sales.

但航空公司可能在几个月内无法恢复正常服务，这将抑制销售。

The line is now running 80 per cent of its normal services.

目前这条线路80%都在正常运营。

The spokesperson also says the healthcare service in China is resuming normal services once again.

这位发言人还表示，中国医疗机构的正常服务正在恢复。

They must restore normal services without delay.

【delay】他们必须马上恢复正常服务。