I have already seen thousands of people doing physical exercises in parks, squares and in front of buildings every day. How can so many people take part?

我已经看到每天有许许多多的人在公园、广场或楼前进行锻炼。你们怎么能有那么多人参加锻炼呢？

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That's why it's going to take a broader team effort with everyone pitching in, and it's going to take government doing its part.

WHITEHOUSE: The First Lady Urges Healthy Diet and Exercise