短語(yǔ)詞組短語(yǔ)optimistic time estimate 樂(lè)觀(guān)時(shí)間估計(jì)optimistic c estimate 樂(lè)觀(guān)估計(jì)a very optimistic estimate 非常樂(lè)觀(guān)的估計(jì) 返回 optimistic estimate