the types of investment products and services provided by insurers discussed by the text the respective features of the investment products and services mentioned the respective advantages and disadvantages of the investment products and services mentioned

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 20 Pubicity Literature in Tourism 旅游企划宣传 unit 20-writing

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 20 Pubicity Literature in Tourism 旅游企划宣传 unit 20-text a

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 20 Pubicity Literature in Tourism 旅游企划宣传 unit 20- key and text b

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 20 Pubicity Literature in Tourism 旅游企划宣传 unit 20 patterns

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 19 The Internet and Tourism 因特网与旅游业 unit 19-patterns

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 19 The Internet and Tourism 因特网与旅游业 unit 19- text a

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 19 The Internet and Tourism 因特网与旅游业 unit 19 writing

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 18 Business Letters in Tourism 旅游业务书信 unit 19 key

吉林大学：《旅游英语》课程PPT教学课件（Tourism English）Unit 18 Business Letters in Tourism 旅游业务书信 unit 18-text a