一项广告专利正在美国提出申请。科技巨头们如果引入此专利，便可降低产品的成本。
A patent application filed in the United States suggests that the leading technology firm is considering introducing commercials in order to sell its products at a discounted price.
杜莹说，和记黄埔医药已在美国获得了一项专利，去年在中国申请了专利，正在等待批准。
Ms. Du said Hutchison has been awarded a patent in the U. S. , and is awaiting a decision on its Chinese patent application, filed last year.
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