limit-point differential expression 极限点型微分算式
From the compiler's point of view, the expression in parentheses becomes a term, which must be handled as a unit before computation can proceed.
从编译器的角度来说,括号括起来的表达式也是一个项,在计算过程中需要被当做一个整体单元来处理。
It seems more to the point to think of it as something emotive - as the expression of a mood.
或许我们应当把它视作某种感性的体验,一种情绪的表达。
Step 6: at this point of the evaluation, W3Eval removes redundant parentheses from the expression.
步骤6:在求值的这一步,W3Eval从表达式中除去冗余括号。
x It says, take the name x and create a binding for that name to the value of the sub-expression and in fact to do this, to stress a point, let's do that.
它的意思是,创建了一个名字,然后创建了对于这个名字,和子表达式的值的绑定,实际上这么做,我们是为了,要强调一个点,让我们来说说这个点。
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