换句话说，在开始编写用来保存和恢复数据的代码之前，您需要确定希望保存什么数据。
In other words, you need to decide what data you want to save before you start writing the code to save and restore that data.
“但你不能把一场差不多三小时的比赛归结于一个球，和拉法的对决中，你必须击出大力量球，我很努力的争取过”他说：“但是，话说回来，他们（评论者）在一年之前就说我打得过于保守，今天我努力进攻打每一个球，在之后开始出现了失误。
But, again, they [commentators] would have said a year ago I was playing too defensively. Today I was going for all my shots and I started to make some mistakes afterwards.
“这就是我们与北约之间纠葛的由来，”他这话说在会议正式开始之前。
"That is where our difficulties with Nato come from," he said, apparently speaking before the meeting was properly underway.
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