altruistically       
adverb uk/ˌæl.truˈɪs.tɪ.kəl.i/ us/ˌæl.truˈɪs.tɪ.kəl.i/
 利他地,无私心地
in a way that involves caring about others and helping them, despite not gaining anything by doing this
  They deserve a lot of credit for their unpaid, altruistically motivated work.  他们无偿、无私的工作值得大力称赞。 
 Those who contributed their time acted altruistically and not selfishly.  那些贡献自己时间的人是无私的,并不自私。 
 See: altruistic
 - More examples
 - Political leaders will usually behave altruistically if the public strongly urges them to.
 - There are individuals who will act altruistically on behalf of the community.
 - When you act altruistically, the connection you form with people is one of respect.