I remember thinking about a middle-aged man standing at a checkout counter. Something set him apart.
我想起一个站在收银台旁边的中年男士，有一些东西使他显得与众不同。
Imagine that you were only allowed to fly on one airline, or take a single route to work, or use one designated checkout counter at the grocery store.
想象一下，你只能使用一家航空公司，或者只走一条路去工作，或者在杂货店只能使用一个指定的收银台。
Suppose you are in a long line at checkout counter 1 — you can roughly guess how long it would take to move up in that line.
假设您排在1号付款台前的长队中，您可以粗略地估算出大概需要多久时间才能排到自己付款。
Suppose you are in a long line at checkout counter 1 — you can roughly guess how long it would take to move up in that line.
假设您排在1号付款台前的长队中，您可以粗略地估算出大概需要多久时间才能排到自己付款。
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