Option

(noun.) one of a number of things from which only one can be chosen; 'what option did I have?'; 'there no other alternative'; 'my only choice is to refuse'.

(noun.) the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited.

艾达整理

• Transactions on the New York Stock Exchange may be made in three different ways: Cash, regular or on a limited option to buyer and seller as to the time of delivery or acceptance. 佚名. 神奇的知识之书.

手打:撒迪厄斯