我们可以以每小时480公里的速度飞行，避开红绿灯和繁忙的道路。
We could fly at 480 km per hour, avoiding traffic lights and busy roads.
通常有两位父母，他们花很多时间给孩子们念书，并为他们的焦虑程度和繁忙的日程安排而担忧。
There are usually two parents, who spend a lot of time reading to children and worrying about their anxiety levels and hectic schedules.
一般而言，NFS v4应当优先于之前的版本得到使用，因为它更高效且通常处理大负荷和繁忙网络环境的性能。
In general, NFS v4 should be used in preference to previous versions, since it is more efficient and generally handles the performance of large loads and busy network environments.
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