Make a list of all the stuff that needs to be done and work backwards from your due date.
制作一个需要完成的工作清单和工作时限安排。
Often, scientists see large chunks drifting in polar seas, and then have to work backwards to figure out the point of origin.
通常来说,科学家们都是先观测到极地洋面漂浮着大面积冰块,之后再追溯它原始的形成过程。
Many people use reverse chronological order when listing dates; that is, start with the most recent date first and work backwards.
很多人在时间排序时,喜欢用反向时间排序,即将最近的时间排在最前面并以此类推。
We can do that sort of: When you play tic-tac-toe with your seven-year old nephew or niece, you just look ahead and work backwards.
我们可能会这么做,当你和你七岁大的侄子或侄女,下三子棋的时候,你就会先预测,然后想
W2 If I go backwards, to work p1 becomes the negative from what I had p2 calculated before, so this becomes minus what I calculated before for w2.
应该是,总功等于,减去,等于。
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