start-up 创业公司
leading 领先的，领军的
tens of millions of 数千万的
furiously 猛烈地=violently,crazily
acquire 获取=gain,obtain
swirl 打旋，（消息）流传
句型归纳：
1.…is showing its limits正显示其弊端
例句：Even though this system used to bring benifits, it is showing its limits in a new era.
尽管这一制度曾带来好处，但在一个新的时代，它正显示出它的局限性。
2.…'s doubts about …has swirled for …人们对……的忧虑已经持续……多久
例句：People's doubts about this policy has swirled for a long time.
人们对这项政策的疑虑已经持续很长时间了。
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