If the U. S. walks away from these principles, other countries such as Russia will step into the breach and trample on the very rules that keep Americans safe.

如果美国放弃这些原则，像俄罗斯这样的国家就会违反和践踏规则，而正是这些规则保护了美国人的安全。

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Meanwhile, the passenger cars are exported to many countries and regions, such as: U. S. A. , Europe, Russia, South Korea, Singapore and Middle East.

同时客车出口美国、欧洲、俄罗斯、韩国、新加坡、中东等众多国家和地区。

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But the U. s. says Russia and Syria are hitting hospitals, refugee camps and such critical sites as water and power plants.

但是，美国说，俄罗斯和叙利亚袭击了医院、难民营以及供水和电厂等关键设施。

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But the U. s. says Russia and Syria are hitting hospitals, refugee camps and such critical sites as water and power plants.

但是，美国说，俄罗斯和叙利亚袭击了医院、难民营以及供水和电厂等关键设施。

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