By replacing formal function definitions with anonymous functions, you simplify code.

通过用匿名函数来替换正式函数定义，您可简化代码。

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The effect is altogether lighter and freer than what achieved in stone, but because both perform the same function, formal wooden and metal statues still display frontality.

比起由石头所制成的雕像，木质雕像和金属雕像总体感觉更加轻巧和灵活，但是因为都有相同的功能，这两种正式的雕像仍然采用了“正面描绘”的展现手法。

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And this defines formal parameters of this function. Yup.

带有其它变量的括弧,这就是函数的形参。

麻省理工公开课 - 计算机科学及编程导论课程节选

It would be reckless for Americans or Israelis to suppose that U.S. forces on the Golan could in fact function as a tripwire in the absence of such a formal treaty commitment.

CENTERFORSECURITYPOLICY: Center for Security Policy | What hazards along the road to Damascus? Mission impossible