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

Have you been waiting for me for a long time?
你已经等我很久了吗？
I don't-like-people asking me for money.
我不喜欢问我要钱的人。
I'm sick and tired of having to take care of your brother just because he refuses to go out and find a job.
只是因为你弟弟不肯出去找工作就得我来照顾他，这真让我烦透了。
After the meeting, we will all adjourn to the Rose Room of this hotel for a buffet dinner.
会后，我们将转到酒店的玫瑰餐厅吃顿自助餐。
Well, to tell the truth, I was a little disappointed.
说实话，我有点失望。
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。