Exchange can be for a share of revenue.Logical formLearned from17 sentences. Public keys may undergo an exchange.Logical formLearned from17 sentences. (Stock exchanges) can be in the world.Logical formLearned from17 sentences. An international-association can be for an exchange of students.Logical formLearned from17 sentences. Value can be in exchange.Logical formLearned from17 sentences. Respect can be to exchanges.Logical formLearned from17 sentences. A mechanism can be for (information exchange).Logical formLearned from17 sentences. Articles may undergo an exchange.Logical formLearned from17 sentences. (Stock exchanges) may suspend trading.Logical formLearned from17 sentences. (Ticket exchange fees) may be waived.Logical formLearned from17 sentences. A method can be constituted-of-or-filled-with exchange.Logical formLearned from17 sentences. Exchange can be for immortality.Logical formLearned from17 sentences. Exchange can be for products.Logical formLearned from17 sentences. An a may be based on an exchange.Logical formLearned from17 sentences. (Exchange rates) may undergo fluctuations.Logical formLearned from17 sentences.