加菲慢半拍oO
In 50 years, our life has undergone earth-shaking changes. In the past my elder sister and my parents live in a small house, we are very poor, but we're happy. Now, our lives have changed dramatically, we live in a high-rise building. 你点我补充，没完还有的。
酸奶娃儿
如果是指某个城市的“生活条件”，一般是以“生活水平”来表示，即 Living standard.如果你的“生活条件”是指类似“生存条件”则可以用其他人提到的“Living conditions”.
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