- I hurried in response to my friend's summons for help.
- The principles laid down by the UNCED in Rio, especially the principle of "common but differentiated responsibilities", should be adhered to.
- He made/gave no response to my inquiry.
- The international community should voice its firm and unswerving support to the principle of "common but differentiated responsibilities".
- His idea received an enthusiastic response.
- His speech called forth an angry response.