The site gives members the option of sending an update to their friends with every purchase they make online — an extension of the news feed that tracks all the other things Facebook members do.

网站让成员可以选择发送他们通过网络买了某种东西的消息，甚至可以跟踪到Facebook所有其它成员的动作。

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As soon as administratively feasible after you start your employment, a will recommend that you be granted an option to purchase 300 shares of a common stock.

一挨你作为正式员工开始工作后，A方将推荐你接受300股A股普通股的认购权。

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Interest rate Collar an option hedging strategy involving the purchase of a cap and the sale of a floor to confine interest rate movements to a range.

利率上下限涉及购买上限和出售下限来限制利率在一定范围浮动的选择权保护策略。

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Samson stressed that the port authority was committing to operating Atlantic City International Airport for a limited amount of time with an option to eventually purchase the SJTA's interests in the airport.

WSJ: Port Authority approved to take over AC airport

The underwriters of the offering will have a 30-day option to purchase up to an additional 3, 191, 250 shares of common stock from the Company at the initial public offering price.

FORBES: West Corporation Announces Launch of $500 Million Initial Public Offering

Also for pre-planning, the free Flight Calculator Windows app estimates carbon emissions for flights around the world and gives an option to immediately purchase offsets that fund a range of verified projects from Carbon Footprint Ltd.

BBC: How big is your carbon footprint?