我们要尽可能谨慎和有效地利用时间，这意味着要确定活动的优先次序，以便将大部分时间花在我们真正想要做的事情上。
We need to use it as carefully and as productively as we can, that means prioritising our activities so that we spend most time on the things we really want to do.
如果有多个磁盘，那么把负载分配到不同的磁盘上是加快读写速度的有效方法，因为磁盘延迟的最大组成部分是寻道时间。
If you have several disks, splitting load onto separate spindles is an effective way of making reads and writes faster because the largest component of disk latency is the seek time.
有效地利用您的时间的方法是，尽量优化软件中被频繁调用的部分。
A more fruitful use of your time would be spent optimizing those parts of the software that are called more frequently.
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