Some dpb can be rational.Logical formLearned from2 sentences. A (wealth distribution system) can be rational.Logical formLearned from2 sentences. Plottings can be rational.Logical formLearned from2 sentences. A (trade system) can be rational.Logical formLearned from2 sentences. A price of a wheat can be rational.Logical formLearned from2 sentences. An (exchange rate) can be rational.Logical formLearned from2 sentences. A layout of ports can be rational.Logical formLearned from2 sentences. (Stock investors) can be rational.Logical formLearned from2 sentences. Institutional investors can be rational.Logical formLearned from2 sentences. A (competition system) can be rational.Logical formLearned from2 sentences. A rational investor may harbor doubts.Logical formLearned from2 sentences. A layout can be rational.Logical formLearned from2 sentences. (Investment structure) can be rational.Logical formLearned from2 sentences. An (investment structure) can be rational.Logical formLearned from2 sentences. (Tax burdens) can be rational.Logical formLearned from2 sentences.