1.詞匯

• delegate type 委托類型
• delegate instance 委托實(shí)例
• invoke 調(diào)用

2.例句

• We’ll start our tour of delegates with the four absolute basics, without which none of the rest would make sense.

  在開始我們的委托之旅之前，我們需要先了解4個基本條件，它們?nèi)币徊豢伞?/strong>

• In order for a delegate to do anything, four things need to happen:
  (1)The delegate type needs to be declared.
  (2) The code to be executed must be contained in a method.
  (3) A delegate instance must be created.
  (4) The delegate instance must be invoked.

  要實(shí)現(xiàn)委托，需要做4件事：
  （1）委托類型需要先聲明；
  （2）要執(zhí)行的代碼需要包含在一個方法內(nèi)；
  （3）需要創(chuàng)建委托實(shí)例；
  （4）委托實(shí)例需要被調(diào)用。