puts a In Ruby 1.8, this code prints "42", because the block variable a is actually the same a of the containing scope.

puts a 在Ruby 1.8中，这段代码会打印出“42”, 因为块变量a和所包含域中的a就是一个变量。

youdao

When a call is made to closureDemoParentFunction with a parameter of outer x, the outer function variable a is assigned the value outer x.

当用外部的x对closuredemoparentfunction进行调用时，外部函数变量a就会被赋值为外部的x。

youdao

For example, given the token {-join|&|a,b=bar}, and a value of foo associated with the variable a, the replacement value for the token is a=foo&b=bar.

例如，给定标记 {-join|&|a,b=bar} 和与变量 a 关联的一个 foo 值，则标记的替换值为 a=foo&b=bar。

youdao

His first great discovery was made when he recognized a Cepheid variable star.

VOA: special.2009.04.29

These things run for variable amounts of time because they take input, a list of size of some amount.

而这一段的执行时间是可变的,因为它们需要输入一个包含一些元素的列表。

哈佛公开课 - 计算机科学课程节选

Because I was taught good style, I'm giving that variable a name that conjures up the idea of its role, which is thankful or not.

因为我们学习了好的格式风格，我将给那个变量起一个,能使我们联想到它的角色作用，它是满意的或不满意的。

哈佛公开课 - 计算机科学课程节选

When a broker makes four times the commission placing a variable mortgage versus a fixed, what did you think is going to happen?

FORBES: Your Financial Advisor's Payday: Are Commissions Contrary to Your Financial Well-Being?

And the way the program works now, before these changes go into effect, is that the loan program has a variable rate with a cap of 8.25 percent.

NPR: How Cuts in Federal Aid Will Affect Students

Any time government tries to force one variable within a free market to a certain value or to move in a certain direction, it destabilizes every other variable.

FORBES: What Kind of Power Is the Most Dangerous?