词汇	put / call option
释义	put / call option 看跌/看涨期权
随便看	afforestation coverage ratio afforestation density afforestation design afforestation drive afforestation drivecampaign afforestation drive campaign Afforestation effect afforestation expenses afforestation experiment afforestation experiment of Jatropha curcas afforestation experiments afforestation fees afforestation for erosion control afforestation in autumn afforestation in gardens or forests afforestation integrated inspection Afforestation in the rainy season afforestation in visual surface mountain afforestation land afforestation machinery afforestation management afforestation measure afforestation mechanism afforestation method afforestation methods