multilaterally       
adverb uk/ˌmʌl.tiˈlæt.ər.əl.i/ us/ˌmʌl.tiˈlæt̬.ɚ.əl.i/
 多国(或多方)参加地,多国(或多方)间地
in a way that involves more than two groups or countries
  We have been engaged multilaterally with a number of countries to deal with this issue.  我们与一些国家进行了多边接触,以处理这一问题。 
 The need for rules that are agreed multilaterally has never been stronger.  对多边商定规则的需求从未像现在这样强烈。 
 See: multilateral
Compare: bilaterallyunilaterally
 - More examples
 - You seem to be saying that you're going to operate multilaterally.
 - I think the best route will be to continue to work multilaterally.
 - These solutions should be multilaterally agreed in the proper forum.