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问题: 请帮忙解释

About 60%of university presidents and heads of scientific institutes in China have had study experience abroad,according to China's Ministry of Education.
这句话里have had study experience abroad怎么解释?如果第一个have是动词"有",那么had study...abroad应该是修饰experience啊,但是这样就不对了啊,怎么回事呢?

解答:

have had study experience abroad: 第一个have表示完成时态,第二个had当“有”讲,study experience abroad:国外学习经历,所以have had study experience abroad : 已经有了国外学习的经验