the living standard today is much higher than
问题描述：
the living standard today is much higher than
答
the living standard today is much higher than that before这样才完整吧?
意思是今天的生活标准比以前高多了我忘写完了，意思差不多，但是后面我不知道为啥填that in 1979that指代前面的the living standard只能是1979的生活水准和今天的生活水准相比较，不能把生活水准和1979这个时间比较，所以必须有一个that谢谢啊那你采取一下呗...谢谢啊