The price for indoor courts is £10 per hour at peak times and £7 per hour at off-peak times.室内球场的价格在高峰时间是每小时10英镑, 在非高峰时间则是每小时7英镑。

off-peak electricity非高峰时间的电力

It's cheaper to go on holiday off-peak.淡季度假比较便宜。

Calls cost 39p a minute off-peak.非高峰时间打电话每分钟39便士。