NO Fixed Time

• 无固定时间

NO Fixed Time的用法和样例：

例句

1. A mail carrier will come to collect them at a scheduled time.
   邮差会在固定时间来收信。
2. Synchronise your body clock by getting up and going to bed at the same time every day.Avoid daytime naps.
   调整好你的生物钟，每天按固定时间睡觉和起床，不要午休。