The Montreal Protocol on Substances that Deplete the Ozone Layer –which last year achieved universal ratification –is an excellent example of this process.
去年得到普遍批准的《关于消耗臭氧层物质的蒙特利尔议定书》，就是这一进程中的一个极佳典范。
2
The Montreal Protocol on Substances that Deplete the Ozone Layer – which last year achieved universal ratification – is an excellent example of this process.
去年得到普遍批准的《关于消耗臭氧层物质的蒙特利尔议定书》，就是这一进程中的一个极佳典范。
3
The Montreal Protocol on Substances that Deplete the Ozone Layer - which last year achieved universal ratification - is an excellent example of this process.