A virtual tip-jar allows artists to collect extra money from fans or raise donations for their favorite cause.

一个虚拟的小费箱让艺术家可以从粉丝处收取额外的钱或为他们喜爱的事业筹集捐款。

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We have been actively involved in numerous charity activities to raise donations and help the needy people as well as sudden disasters.

我们都非常积极地参加许多慈善活动，并捐款，希望可以帮助那些有需要的人们，以及突如其来的灾难。

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They raise funds for charity via things like Twestival, they solicit donations for catastrophe victims, they send word of upcoming events, they exchange titles of books they like.

他们通过一个叫Twestival的东西来筹集资金给慈善组织，他们为受灾难的人祈求善款，他们发布正在发生的事情，他们交流自己喜欢的书名。

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Given his record-breaking ability to raise donations over the Internet, the Illinois Democrat probably will be able to raise more than and outspend the presumptive GOP nominee.

CNN: McCain attacks Obama for opting out of public financing

Part of Mr Sistani's attraction for Iraq's Shia politicians stems from his fatwa that allows followers not only to raise donations and tithes in his name but to spend them too.

ECONOMIST: Iraq

Japanese and Chinese students gathered on campus during lunch break to raise cash donations for Japan's quake and tsunami survivors.

CNN: Why China's help to Japan carries weight