Before testing, look over the whole enterprise forward, backwards, and from every Angle.
在测试之前，展望、回顾以及从每个角度检查整个企业。
Play the same mental movie backwards, then fast-forward it and then play it backwards again.
在心里像放电影一样把情景倒回去，然后快进，然后再一次倒回去。
Four of them are going backwards, and the other four are going forward.
它们中的4个向前走，另外4个向后走。
Four of them are going backwards, and the other four are going forward.
它们中的4个向前走，另外4个向后走。
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