核心句型：
    What's the gag?
    這里面有什么奧妙？
    gag作名詞講有“塞口物”的意思，在俚語里意為“插科打諢或臨場的笑語”。What's the gag? 這句話的正確意思是：“這里面有什么奧妙？”。因此，當美國人說"What's the gag?"時，他/她要表達的意思就是:"What's the secret?"、"What's the trick?"。
    情景對白：
    Colleague: Shirley, you are always passionate about your job. What's the gag?
    同事：雪莉，你總是對工作充滿熱情，這里面有什么奧妙嗎？
    Shirley: Well, I always remind myself that everyday is a new start and I can make it.
    雪莉：嗯，我總是提醒自己每天都是新開始，我能行。
    搭配句積累：
    ①It becomes more convenient to control.
    事情變得更容易掌控了。
    ②How can you complete the task in such a short time?
    時間這么短，你是怎么完成任務的？
    ③I want to work as efficiently as you do.
    我想和你一樣高效工作。
    ④You are always getting along well with your sulbordinates.
    你跟下屬總是相處融洽。
    單詞：
    passionate adj. 充滿激情的
    I'm a passionate believer in public art.
    我是公共藝術的狂熱信徒。
    He is very passionate about the project.
    他對那個項目非常熱心。
    His passionate speech had an effect on our emotions.
    他的熱情的演講打動了我們的感情。