由于广泛滥用造成的巨大经济负担，每天请求的次数将被限制，而且在2011年12月1日将完全关闭。

Due to the substantial economic burden caused by extensive abuse, the number of requests you may make per day will be limited and the API will be shut off completely on December 1, 2011.

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在20世纪80年代到90年代，除了高额的负债外，利率的下降给家庭来了支付利息、房租等一系列繁重的经济负担。

Despite the higher debt burden, falling interest rates kept total household financial obligations-interest payments, rent and leases-within a range during the 1980s and 1990s.

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帮助一位年轻女士实现梦想并减轻她的经济负担是一件多么让人高兴的事啊！

Ahhhh, how gratifying it is to help a young lady fulfill her dreams and lower her financial burden.

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