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

It's the world's largest island, but it's also the world's smallest continent.
它是世界上最大的岛屿，同时也是世界上最小的洲。
We should keep them informed of what is going on here.
我们应该让他们知道这里发生的事情。[分词作定语]
I'm serious.
我是认真的。
When you visit an American home.
在你访问一户美国人家时
Me too. I was hoping we could eat here tonight, but it looks like that's out of the question.
我也这么想。我原本希望我们能在这儿吃晚饭，但现在看来是不成了。
On the first day of the new year.
新年的第一天。