这节约了时间和金钱，同时也使俄罗斯的南边界更加安全。

This will save time and money, but also make Russia's southern border more secure.

youdao

这节约了时间和金钱，同时也使俄罗斯的南边界更加安全。

This will save time and money, but also make Russia's southern border more secure.

youdao