importation and exportation

• 竞争力

importation and exportation的用法和样例：

例句

1. It supplies an economical and competitive service.
   它提供了一个经济而有竞争力的服务。
2. You perceive Gambler types mostly as loners and untrustworthy.
   这一个竞争力可能使你能者多劳。