例句與造句

1. Trend analysis of key economic indices and benchmarks ( Purchasing power parity, Gross national income, Gross domestic product, Debt-to-GDP ratio, Foreign-exchange reserves, Balance of payments, Balance of trade, Inflation, Knowledge Economic Index, International Innovation Index ) correlates to the shrinking digital divide which separates heavily populated emerging countries from advanced economies.
2. It's difficult to find knowledge economic index in a sentence. 用knowledge economic index造句挺難的