addressing envelopes 信封的书写方式

layout plans of letters 信件版面图

social correspondence 社交书信

• letter of congratulations
• letter of thanks
• informal letter of invitation
• formal letter of invitation
• informal letter accepting an invitation
• formal letter accepting an invitation
• informal letter declining an invitation
• formal letter declining an invitation
• letter of condolence
• letter of introduction

business correspondence 商业书信

• enquiry 询盘 a
• enquiry 询盘 b
• reply 报盘 a
• reply 报盘 b
• complaint 投诉
• settlement of complaint 对投诉的处理

dear john letter 绝交信范例