即可以买入看涨期权（Long Call Option），卖出看涨期权（Short Call Option），买入看跌期权（Long Put Option），卖出看跌期权（Short Put Option）。
基于4个网页-相关网页
-看跌期权多头(long put option) -看跌期权空头(shot put option)
基于1个网页-相关网页
long put option
做多看跌期权
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But with its brand name on the line and long-term aspirations to be a real force in China, Facebook has little option but to put itself in the driving seat.
但要顾及品牌名声，实现成为在中国的一支真正力量的长远抱负，Facebook几乎别无选择，只能亲自坐上驾驶席。
youdao
Staying in cash is not a viable long-term option, and investors would be out of their mind to put money in most bonds at current prices.
FORBES: Schizophrenic Bond Vigilantes and Other Market Tales
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