1.2 虚拟线程：一个厨师同时盯着好几道菜，效率爆炸
"There was a big step – jump – that people have questioned," Jackson says. "But now the world is awash with oil and it's not clear that the same calculations still apply."
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清晨，黄河畔的宁夏中卫迎来第一缕阳光。成片的光伏板阵列铺展在戈壁滩上，源源不断的清洁电力通过绿电直供专线，直接输送至数据中心机房内。
sys.stdout.write(u"\u001b[1000D") # Move all the way left