The shortest answer is doing.
最简短的回答就是做。
疯狂英语精华演讲卡 口语要素（六）

📚 句中词汇解析

从本句中提取的重要词汇

answer ['ænsɚ] 词频1 词根: sw-
vt.& vi. 答复; 解答; 答辩;适应; n. 回答;答案;反应;足以媲美的人;
"We sought long and hard but found no answer."
我们作了长期的艰苦探索,但没有找到答案.
近义：reply, respond, satisfy, suffice, suit, fill 反义：examine, inquire, interrogate, order, probe, query
doing
n. 行为, 活动
近义：work, handiwork
shortest
[计] 最短的

📚 更多「疯狂英语精华演讲卡」例句

But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Do you need-that-pencil?
你要那只铅笔吗？
He insisted that he was innocent.
他坚称自己是无辜的。
After Mr. Lee's remarks, the meeting will be opened for comments and discussion from the rest of you.
李先生发言完毕后，会议将由大家进行自由评论和讨论。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
He's concentrating on learning English.
他集中精力学英语。