intercountry       
adjective [ before noun ] (also inter-country) uk/ˌɪn.təˈkʌn.tri/ us/ˌɪn.t̬ɚˈkʌn.tri/
 国家间的;跨国性的
between or involving two or more countries
  inter-country trade 跨国贸易 
 Intercountry adoptions (= legally becoming the parent of a child from another country) are often more expensive than domestic adoptions.  跨国领养通常比国内领养贵。 
 - More examples
 - Europe was chosen for an intercountry analysis because there are many different countries in a relatively small geographic area.
 - Inter-country adopters are strongly advised to try to keep their child in touch with their heritage.
 - Inter-country comparisons of individuals' incomes tend to be obscured by country-specific factors.