中国还有很大的进步空间用英语怎么说

中国还有很大的进步空间。
China still has great potentials for making further progress.
There will be much room left for China to make further progress.

中国还有很大的进步空间
There is still a lot of room for progress in China

中国还有很大的进步空间
There is still a lot of room for progress in China