1、I have never tried to do this to a good person,just want to pay purely,or even forget to care about the response
2、in response to ……。
3、response to 对的回答，反应 responsibility for 责任，负责。
4、对外方有没有下限？The threshold of a physiological or psychological response
5、The healthiest response to life is joy对生命最佳的回应，是生活得很快乐。