重點(diǎn)講解：
1. appear to do sth.
好像；似乎；看來(lái)；
eg. There may appear to be discontinuities between broadcasts.
廣播節(jié)目中可能會(huì)出現(xiàn)斷音。
eg. They appear to be able to handle the problem.
他們似乎可以處理這個(gè)問(wèn)題。
2. out of balance
失去平衡；
eg. Excessive minerals can throw the body out of balance.
過(guò)多的礦物質(zhì)也會(huì)使機(jī)體失去平衡。
eg. When any part is out of balance, a lasting peace cannot be maintained.
當(dāng)任何一方失去平衡，都不能維持一種持久的平靜心境。
3. a clue/clues to
線索；提示；
eg. How a man shaves may be a telling clue to his age.
男人刮胡子的方式也許能泄露其年齡。
eg. Other clues to the men's disappearance are few.
人們幾乎找不到線索去尋找這兩個(gè)失蹤的人。