重點講解：
1. be fearful of 恐懼的；害怕的；
例句：They are fearful of another business depression.
他們擔心會再次發生商業蕭條0fAX&~IMS]。
2. in theory 從理論上說；照理說；
例句：A school dental service exists in theory, but in practice, there are few dentists to work in them.
照理說，學校也有牙醫診所，可實際上，里面的牙醫寥寥無幾mA#BdEMe!H2v。
3. coincide with 巧合；同時發生；
例句：The exhibition coincides with the 50th anniversary of his death.
展覽恰好在他逝世50周年之際舉行D[ds%lv-B&SnNg[。
4. no doubt 無疑地；必定；
例句：They have the usual quota of human weaknesses, no doubt.
毫無疑問，他們身上也有人所共有的弱點87HI).VtL)b9。