重點講解：
1. used to do sth.
過去常常；過去曾；
eg. Emerging markets used to be known as the markets you couldn't emerge from in an emergency.
新興市場過去常常被稱作你在危急時刻脫不了身的市場wDUQ*f&KQPbxw2|%KJ。
eg. John used to visit his parents once a week when he worked as an assistant in the city.
約翰在城里當服務(wù)員的時候，總是每周去看望父母一次Fb,0CVeDt-ocq@*;P4。
2. thanks to
幸虧；歸因于；
eg. We had a bit of a drought last summer thanks to the heat-wave.
去年夏天，由于酷暑我們遭受了輕微的旱情gTzr7^t4P+NzyYxHh9。
eg. Thanks to the love and encouragement of her mother, she finally defeated the disease and faced the disability bravely.
后來多虧她媽媽的愛和鼓勵，使她戰(zhàn)勝了疾病并勇敢面對殘疾UCQ.P|!C-xGYNfd-m。
3. at the beginning of
起初；開始；
eg. They usually play the national anthems of the teams at the beginning of a big match.
在大型賽事開始前，他們通常演奏參賽國國歌nqPg+5PSBc)K(K3EJSBr。
eg. At the beginning of the winter , supplies were laid in, in case heavy falls of snow should block the road.
為預防下大雪阻塞道路，在初冬人們就把生活必需品儲備起來了vYRar*ol0nI。