在过去的30年里，人们的生活发生了巨大的变化。
In the last 30 years, great changes have taken place in people's life.
许多年前人们发现了电，电的发现使人们的生活发生了巨大的变化。
Many years ago, electricity was discovered. The discovery made people's life changed a lot.
在最近的几年里，人们的生活已发生了巨大的变化。
During the last few years, a great change has taken place in people's lives.
在最近的几年里，人们的生活已发生了巨大的变化。
During the last few years, a great change has taken place in people's lives.
应用推荐