Jīngjì tèqū yòng yōuhuì zhèngcè xīyǐn le dàliàng wàizī.
The special economic zones drew in large amounts of foreign investment with preferential policies.
Tips
history
The first four were set up in 1980 as part of the reform and opening-up: 深圳, 珠海, 汕头 and 厦门, all on the southeast coast. 海南 became the fifth in 1988, the year it was made a province.
mistakes
Not the same as a 特别行政区 'special administrative region', the status of Hong Kong and Macau. Both are often shortened to 特区.