official purchase的用法和樣例：
例句
- Some friends will possibly say that through the official website such marketing channel purchase, the price will affirm expensively, will be unworthy!
有朋友可能會說，通過官方網站這樣的銷售渠道購買，價格肯定貴啊，多不值啊！ - While the European Commission sponsors and supports the initiative, the eHealth Procurers Forum is not an official website of the government body.
儘管歐盟贊助並支持該動議，電子醫療購買方論壇卻不是政府機構的官方網站。
