2. Children are ____ to have some accidents as they grow up.

A. obvious B. indispensable C. bound D. obtuse

obvious 明显的、必不可少、不可获缺

indispensable 不可花费的、不可分配的、必不可少的、不可缺少的

dispensable 可花费的、可分配的、可缺少的

expense 花费

expenditure 花费

compensate (for) v.补偿、弥补

compensation n.补偿、弥补

expend 花费、支出

pension 养老金

bound 注定的

obtuse 迟钝的、木讷的