让他万分高兴的是，原来研究生是正确的。
Much to his delight, it turned out that the graduate student was right.
给客户一个购买的理由：医药招商企业的招商人员要让客户为购买你的产品而万分高兴。
Give customers a reason to buy: pharmaceutical investment business investment staff to allow customers to buy your products and extremely happy.
听到你的成功令我高兴万分。
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