重点讲解：
1. due to
由于；因为；
eg. Great changes are in prospect in this area due to foreign investment.
因为外资的引进，该地区会发生很大变化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结果8e1N]opVy@fVWk%sB。
2. a lack of
缺乏；不足；没有；
eg. There is a lack of people wanting to start up new businesses.
有创业意愿的人非常匮乏rj]fZOyu8Q;jV.eC。
eg. The main impediment to growth was a lack of capital.
影响发展的主要障碍是缺乏资本uwn,wEk8=P|;d。
3. lag behind
落后；赶不上；
eg. The thinking of economic bureaucrats tends to lag behind changes in world conditions.
经济官员的思想往往跟不上世界局势的变化Ej6ZJ2p|3X^!j6#!uy5。
eg. Rent tends to lag behind housing prices.
租金价格走势通常落后于楼价p@+rOV(jLy+3sEi。