重点讲解：
1. be fearful of 恐惧的；害怕的；
例句：They are fearful of another business depression.
他们担心会再次发生商业萧条0fAX&~IMS]。
2. in theory 从理论上说；照理说；
例句：A school dental service exists in theory, but in practice, there are few dentists to work in them.
照理说，学校也有牙医诊所，可实际上，里面的牙医寥寥无几mA#BdEMe!H2v。
3. coincide with 巧合；同时发生；
例句：The exhibition coincides with the 50th anniversary of his death.
展览恰好在他逝世50周年之际举行D[ds%lv-B&SnNg[。
4. no doubt 无疑地；必定；
例句：They have the usual quota of human weaknesses, no doubt.
毫无疑问，他们身上也有人所共有的弱点87HI).VtL)b9。