求翻譯：　　However, I’m afraid there’s some bad news. I’m planning to take part in an international conference to be held in another city during the time of your visit. All the top scientists in my field will show up at the conference. More importantly, I’m lucky enough to have been selected to give a speech on behalf of my res是什么意思？

待解決 懸賞分：1 - 離問題結(jié)束還有