This is a natural and welcome evolution, as it enables hundreds of millions of people to escape from poverty. At the same time, however, it has given rise to fears that China will become a threat to the US.
这是一个合理而且可喜的进步，数亿人将因此摆脱贫困，但与此同时也催生了某种恐慌情绪，认为中国将成为美国的威胁。