Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.
1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。
If you really want to figure that out, you have to think very, very far outside the box. Or maybe you have to think further inside it than anyone ever has before.
如果你真的想要弄明白，那只能通过非常非常有创意的思维来思考这个问题，或者以前人所不及的思考深度，来窥得未来之一二。
Whether it’s inside offices, factories or on the outside with retail or corporate customers, you will likely encounter more people from different cultures than ever before.
无论是在办公室，工厂里面或者是外面的零售或企业客户，你可能会遇到比以往更多的人，他们有着不同的文化背景。
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