The annual event is becoming more popular - with more than three times as many people taking part in London this year than last year.

这项年度活动正愈发走红，今年伦敦参与“无裤日活动”的人数是去年的三倍之多。

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Last year, more than 40, 000 people turned up and a further 20, 000 attended a second event held for the first time that year in Austin, Texas.

去年，约有40000多人参加。这比在德克萨斯的举行的第一届可多了20000人。

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Last year, more than 40, 000 people turned up and a further 20, 000 attended a second event held for the first time that year in Austin, Texas.

去年，约有40000多人参加。这比在德克萨斯的举行的第一届可多了20000人。

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