重點講解：
1. due to
由于；因為；
eg. Great changes are in prospect in this area due to foreign investment.
因為外資的引進，該地區會發生很大變化o3@coauD,pE-WAkX。
eg. His success is entirely due to hard work.
他的成功完全是努力工作的結果8e1N]opVy@fVWk%sB。
2. a lack of
缺乏；不足；沒有；
eg. There is a lack of people wanting to start up new businesses.
有創業意愿的人非常匱乏rj]fZOyu8Q;jV.eC。
eg. The main impediment to growth was a lack of capital.
影響發展的主要障礙是缺乏資本uwn,wEk8=P|;d。
3. lag behind
落后；趕不上；
eg. The thinking of economic bureaucrats tends to lag behind changes in world conditions.
經濟官員的思想往往跟不上世界局勢的變化Ej6ZJ2p|3X^!j6#!uy5。
eg. Rent tends to lag behind housing prices.
租金價格走勢通常落后于樓價p@+rOV(jLy+3sEi。