求翻译：乙方保证所投500亿美元资金清洁真实可靠，在2013年12月31日前分期分批支付到项目公司，该资金流通符合国际和中国法律法规的规定。是什么意思？

B to ensure that cast the $ 50 billion real funding clean, December 31, 2013 to pay in stages to the project company, the flow of money in line with international and Chinese laws and regulations.

Party B shall ensure that the $50 billion in funds, clean reliable December 2013 phased payment 31 days before the project company, the flow of funds into conformity with international and Chinese laws and regulations.

The second party guaranteed throws 50,000,000,000 US dollars funds cleanly real reliable, in turn pays the project company by stages before December 31, 2013, this fund circulation tallies internationally with the Chinese law laws and regulations stipulation.

B ensure that investment and $ 50 billion funding clean are true, before December 31, 2013 staged partial payments to the project company, the flow of funds in line with the international provisions of Chinese laws and regulations.

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