Per
這個工廠年生產力可達300兆瓦時
The factory is capacity of up to 300 megawatt hours (MWh) per year.The factory is capacity of up to 300 megawatt hours (MWh) per year.字典：關於per的解釋
和老外接觸中，經常會聽見他們說per, 它的副詞意思是指“每次、每個”
Will doesn't get paid per view or per story. 威爾不是按照報道和評論的點擊量收錢的。It's on the per diem that they give us. 這是他們給我們的每日津貼。We estimated annual global incidence is 40-80 cases per million population. 我們估計每年全球發病率為每百萬人有40-80例。實戰演練
per案例一
per案例二