gǎi gé kāi fàng / yǐ lái / qiān qiān wàn wàn / de / jiā tíng / shēng huó shuǐ píng / dé dào / le / tí gāo

改革开放以来，千千万万的家庭生活水平得到了提高。

Since the reform and opening up, the living standards of countless families have improved.