letter of understanding是什么意思

letter of Which letter is a kind of drink and which letter is difficult to understand?A：T AND YB：W AND ZC：S AND XD：I AND N Which letter is difficuit to understand? Most of the time,would rather be misunderstanding,do not want to explain.Letter and do not believe,in your mind.I understand people,explain why. 英语翻译letter of indemnity letter of concern是什么意思? letter of notice是什么意思 letter of credit是什么意思 captioned letter of letter of recommendation作文 letter of exemption是什么意思 letter of engagement是什么意思 letter of delegation是什么意思 letter of admisson letter of guarantee是什么意思 letter of undertaking是什么意思 letter of authorization是什么意思 letter of interest是什么意思