Second, prior to 1913, the rich paid no income taxes at all; yet, lower- and middle-class living standards rose much faster in the 19th century than in the 20th!
其次，在1913年以前，那会儿富人根本就不上税，但是底层和中产阶级收入的增长比20世纪快得多。
Know that you are better than your bully. Bullies are second class, and always have lower standards than their victims.
知道你比欺负者更优秀。欺负者是二等，总是比欺负者有更低的标准。
The second class absorption heat pump can get hot water or vapour using heat potential difference of middle temperature exhaust gas and lower temperature sink.
第二类热泵可利用中间温度的废热与低温热源之间的热势差，制取热量少但温度高于中温废热的热水或蒸汽。
The second class absorption heat pump can get hot water or vapour using heat potential difference of middle temperature exhaust gas and lower temperature sink.
第二类热泵可利用中间温度的废热与低温热源之间的热势差，制取热量少但温度高于中温废热的热水或蒸汽。
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