1.balancedue  2.shortage  

不足的英語翻譯：

lack; fall short of; deficiency; insufficiency; not enough; scarcity; shortage
【醫(yī)】 deficiency; hyp-; hypo-; meio-; mio-; sub-
【經(jīng)】 deficiency; deficit; run low; run short; scarcity; shortage; shortfall
underage

額的英語翻譯：

a specified number; brow; forehead; quantum
【醫(yī)】 brow; forehead; frons; fronto-; metopium; metopo-