Due to the sale or purchase to take private transactions, and can not provide the corresponding notes, once the consumer disputes, legal rights and interests are difficult to protect.
由于销售或代购采取私下交易，且无法提供相应票据，一旦发生消费争议，合法权益难以保护。
Big electricity users straight power enterprise refers to direct users signed with the purchase and sale of electric energy contracts, power purchase and sale transactions for a special act.
大用户直供电是指发电企业与大用户直接签定购销电能合同，进行电力购销交易的一种特殊行为。
In pure or riskless arbitrage transactions, the purchase and re-sale of the asset in question are conducted simultaneously, thus the arbitrageur does not risk any of their own funds.
在纯套利或无风险套利交易中，资产的购买和转售是同时进行的，因此套利者自己的资金不承担任何风险。
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