[color=blue]24. [/color]We should spare no effort to beautify our environment.
[color=blue]24. [/color]We should spare no effort to beautify our environment.
我们应该不遗余力地美化我们的环境。
[color=blue]24. [/color]We should spare no effort to beautify our environment.
我们应该不遗余力地美化我们的环境。