套利是一种常见的，以获利为目的的交易行为，它是基于无风险的超额利润产生的。
Arbitrage is a usual transaction behavior in order to make profits. It is the possibility of riskless profits.
套利是一种常见的，以获利为目的的交易行为，它是基于无风险的超额利润产生的。
Arbitrage is a usual transaction behavior in order to make profits. It is the possibilitity of riskless profits.
正如药物和疫苗一样，通过使用捐款者的钱以合理的价格和经许可的协议可以获得产品，这些产品本是以获利为目的而为那些需要它们的人研制的。
As with drugs and vaccines, it is possible to get products that were developed with profit in mind to the people who need them using donor money and clever pricing and licensing deals.
正如药物和疫苗一样，通过使用捐款者的钱以合理的价格和经许可的协议可以获得产品，这些产品本是以获利为目的而为那些需要它们的人研制的。
As with drugs and vaccines, it is possible to get products that were developed with profit in mind to the people who need them using donor money and clever pricing and licensing deals.
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