lets it free
让它自由
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And it lets me do it all for free.
FORBES: Facebook wants to use my face for ads. Okay.
Another site, the non-profit Kiva.org, is also social in nature, but instead of donations to charities, it lets you make interest-free loans to entrepreneurs in developing countries.
CNN: Social networking adds new friend: Philanthropy
It lets people make mobile calls internationally for free to others who have downloaded the software.
FORBES: Rebtel Poised to Upend Global Communication
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