摘要
街头乞讨看起来是个竞争激烈的行当。但这位流浪汉很有创意。拿废纸板做了一套有意思的牌子，信息可翻动，以吸引人们来给他一些零钱。
Begging on the streets is a competitive business, it seems. But this homeless man is leading the way in innovation with a specially made sign that switches between messages appealing for change.
