There are two aspects of Koshi problem.The first is the review of the treaties and agreement signed in the past, it has substantiated the need.是什么意思_There are two aspects of Koshi problem.The first is the review of the treaties and agreement signed in the past, it has substantiated the need.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句