LONDON - The cigarette packs piled into prominent displays behind store counters and supermarket checkouts in England can't be missed.
伦敦—在英格兰你很难不注意到商店柜台和超市收银台后面大量的香烟陈列。
Today standing in a supermarket line of three we begin to express our indignation because not all checkout counters are working.
如今，如果在超市中排着三个人的队，人们肯定会开始对不是所有付款处都在工作而抱怨不满。
Think of load balancing servers as an analogy to four checkout counters in a supermarket.
作为一个类比，请把负载平衡服务器看为超市的 4 个付款台。
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