重點講解：
1. pros and cons
利弊；優缺點；
eg. They sat for hours debating the pros and cons of setting up their own firm...
他們在一起坐了數小時，討論自己創辦公司的利弊|UyhOuzf_(r4。
eg. Motherhood has both its pros and cons.
當媽媽既有好的一面，也有不好的一面]K)Z%qxBNhNvk]D]~。
2. lack of
缺乏；不足；沒有；
eg. There is a lack of people wanting to start up new businesses.
有創業意愿的人非常匱乏(Bb66FFkxtMB2D2[i。
eg. He felt tired for lack of sleep.
他因缺少睡眠而感到疲勞hQn%*[f9@T1Jw(1I-74。
3. confine to
限制，限定；
eg. Judges may be trained to confine themselves to the legally relevant facts before them.
法官接受的訓練是將自己限制在面前的法律事實范圍內rB#+_^w-VP~+l5。
eg. Wild animals are confined to cages.
野生動物被關在籠子里0=+iYNin18oI3uMBV4。