估计: estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast 短语和例子大致估计 rude estimates; 非常乐观的估计 a very optimistic estimate; 照我的估计 by my reckoning; 据保守的估计 on
需要: 1.(应该有或必须有) need; want; require; demand; do with 短语和例子需要立即采取行动 require immediate action; 她需要休息。 she is in need of a rest. 我们需要一个和平的国际环境。 we want [need] a peaceful international environment