As the international community an important tool in combating transnational crime, extradition system has been established in most countries in the world.

作为国际社会打击跨国犯罪的重要手段，引渡制度已经在世界大多数国家建立起来。

youdao

Her primary concern was that passengers' data would be used for purposes other than combating terrorism and transnational crime.

BBC: MEPs clash over data-sharing agreement