重點講解：
1. contrive to do sth.
成功做到；設法做到；
eg. The orchestra contrived to produce some of its best playing for years.
這支管弦樂隊呈現了精彩的演奏，堪稱其多年來的巔峰演奏。
eg. I will contrive to be there by ten o'clock.
我會設法在10點前趕到那兒。
2. so long as
只要；
eg. We can arrange everything so long as we have enough time.
只要有足夠的時間，我們就能安排一切。
eg. I don't care about the price, so long as the car is in good condition.
我不計較價錢，只要車很好用就行了。
3. derive from
獲得；取得；得到；
eg. Mr Ying is one of those happy people who derive pleasure from helping others.
英先生屬于那種助人為樂的快活人。
eg. Most patients derive enjoyment from leafing through old picture albums.
大多數病人都很喜歡翻看舊相冊。
4. store up
儲備；囤積；
eg. Investors were storing up a lot of cash in anticipation of disaster.
投資者預料會出現災難，正在儲備大量現金。
eg. I got all the emotion out of me which had been stored up.
我把心中壓抑的所有情感都發泄了出來。