gap 缺口 距离 keep a wide gap between
consumption 消费 production 生产
grain 谷类 粮食 store a large quantity of grain
immediately 立即 马上 直接
support 赡养 support oneself and one's family
sowing 播种
insurance 保险 保护 insurance against
unpredictable 不可预知的
commodity 日用品
implement 工具
obtain 获得 得到
fertilizer 肥料 （专职化肥）chemical fertilizer
construct 建造 构建
irrigation 灌溉 irrigation channe 灌溉渠
property 财产 （专指不动产）
extra 额外的 不包括的
fund 资金 基金
loan 贷款 loan card 借记卡
obtainable 能得到的 可以得到手的

other than 除了---；除了---以外的
there's nobody here other than me
you can't get there other than swimming

as well as 和---一样 ；也
he can write poems,plays,as well as novels

instead of 不是 而是

replace 放回原处
when you have finished using the axe,please replace it
        取代 代替
george replace edward as captain
        用---代替 replace---by/with
jim broke tom's cup and had to replaced it with a new one