Two should be enough.

两个应该够了。

youdao

It has taught me that, if we use water efficiently, two buckets a day should be enough for four family members.

从中我也学到了，如果我们合理用水，两桶水就足够一家四口一天的用水量。

youdao

So for fun she split the class into two groups, appropriately enough by gender, and asked them to decide whether "computer" should be a masculine or feminine noun.

因此，出于好玩，她把班上的同学按性别分成两个组，然后请他们决定计算机到底是阴性的还是阳性的。

youdao

So Steve and Patrick are respectively the managers of Coca-Cola and Poland Spring and Patrick believes that the Coca-Cola manager is going to may be we should just make this Coke and Pepsi since two identical they're near enough and identical, right?

史蒂夫和帕特里克分别是,可口可乐和波兰泉的经理,帕特里克认为可口可乐的经理打算,或许该用可口可乐和百事可乐,他们俩才是对手是吧

耶鲁公开课 - 博弈论课程节选

That means, when I take two derivatives, I want to get a, then you should know enough calculus to know it has to be something like at^, and half comes from taking two derivatives.

也就是说,当我想求二阶导时,得到了a,你应该有足够的微积分知识,才能知道必须有类似at^的项,而这个1/2则是因为求了两次导数

耶鲁公开课 - 基础物理课程节选

Mr Rajoy says two or three months should be enough for a parliamentary commission to produce a verse for the national hymn.

BBC: NEWS | Europe | Spain seeks words for its anthem

The two sad years of 1930 and 1931 should be evidence enough to convince anyone that the alternative of encouraging positive voluntary action is simply not a tenable solution to a very real problem.

FORBES: Nobel Laureate Paul Krugman is Correct, Cato Institute's Mitchell is Wrong

These thrusters will produce a force roughly the same as whispering in somebody's ear which should be just enough to keep the two spacecraft moving at a relative velocity of less than 20 microns a second.

ECONOMIST: Birds of a feather