And for that you didn't need multivariable calculus.(并沒有用到多元微積分。)

Differential calculus, you say?(你是說做微積分嗎？)

Not everybody has to know calculus.(不是每個人都要學(xué)微積分。)

In times of economic downturn, a dangerous calculus often emerges.(在經(jīng)濟不景氣的時候，常常會出現(xiàn)一種危險的演算。)

We have to factor that into the calculus.(我們要在微積分學(xué)中考慮這些因素。)

So that's the calculus part.(在這時這個問題中微積分的部分。)

Maria Droujkova is a founder of Natural Math, and has taught basic calculus concepts to 5-year-olds.(瑪麗亞·德魯伊科娃是“自然數(shù)學(xué)”的創(chuàng)始人之一，她曾向5歲的兒童教授基礎(chǔ)微積分概念。)

But, calculus, really, is about studying functions.(但是微積分，主要是學(xué)習(xí)函數(shù)的。)

Mathematics 200: Introductory calculus.(數(shù)學(xué)200講：微積分導(dǎo)論。)

There is no simple moral calculus.(對此無法給出簡單的道德演繹。)