election 和 option怎么区别?

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election 选举;当选[U][C]
e.g.Her election to the board of directors caused great surprise.
她被选进董事会,令人大为吃惊.
option 名词 n.
1.选择;选择权;选择*[U]
e.g.She had no option but to quit her job in order to take care of her child.
为了照顾孩子,她别无选择,只好辞职.
.e.g.It is at your option to stay or leave.
去留随你的便.
2.可选择的东西;选修科目[C]
e.g.What options do I have?
有什么可以让我选择?
e.g.How many options are there open to us?
我们有几种选择的可能?
3.【经】买卖的特权[C]
John was granted an option to purchase 3,000 shares at a purchase price of $7.00 per share.
约翰被授予三千股的股票购置权,每股七美元.
She has taken an option on that piece of land.
她已取得那块土地的购置权.