a certain amount of

基本解釋

Normally, test cases have a certain amount of set up work.
通常，測(cè)試用例需要執(zhí)行一定數(shù)量的設(shè)置工作。
I like to imagine time as if you are given a certain amount of tickets at birth.
我喜歡把時(shí)間想象成是在出生時(shí)就得到的門票，它們的數(shù)量是一定的。
Yes, once your screen says that you have donated a certain amount of rice, that means our servers have registered it.
算數(shù)的，只要你的屏幕顯示你已經(jīng)贈(zèng)了一定數(shù)量的大米，就意味著我們對(duì)此已經(jīng)有記錄。

"There is a certain amount of that islander style there," Ken Walsh of the magazine USNews and World Report.
Jacob Milgrom has argued that there's a kind of Archimedean principle at work here: every sin creates an impurity that encroaches upon the realm of holiness and displaces a certain amount of holiness.
雅各布·米爾格羅姆認(rèn)為,這里存在著一種阿基米德原理：,每一種罪孽都會(huì)造成不潔,這種不潔逐漸蠶食神圣,慢慢取代神圣的位置。
耶魯公開課 - 舊約導(dǎo)論課程節(jié)選
It's actually better to spend a certain amount of time just keeping your body in good condition
其實(shí)花一定時(shí)間保持身體的良好狀態(tài)更好，
健康生活 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

Maybe it takes a certain amount of meanness to be successful, at least in business.
FORBES: Study: More Money Makes Managers Meaner