如你不能接受电告的最优惠实盘，就得接受以5美分，保留两天有效期的选择权。
Have you obtained option for two days at5￠; if cannot accept wire firm offer at best.
优先购买权买卖股票的选择权，包括投资、交货、买卖差额和买空卖空
An option to buy or sell a stock, including put, call, spread, and straddle.
先别接受这份工作－－暂时保留选择权，到离开这所大学再说。
Don't take the job now keep your options open until you leave university.
