求翻译：请输入您需要翻译的文本！I am David Lambert,British citizen and Principal assurance manager for the HSBC in London. A staff of Yokozona consultancy firm got in touch with me regarding the estate of Philip Smith. And an investment placed under our banks management 3 years ago.I would respectfully request that you keep the contents of this mail confidential and respect the integrity of the information you come by as a result of this mail.I contact you independent of our investigation and no one is informed of this communication.是什么意思？

Please enter the text you need to translate! I am David Lambert,British citizen and Principal assurance manager for the HSBC in London. A staff of Yokozona consultancy firm got in touch with me regarding the estate of Philip Smith. And an investment placed under our banks management 3 years ago. I would respectfully request that you keep the contents of this mail confidential and respect the integrity of the information you come by as a result of this mail. I contact you independent of our investigation and no one is informed of this communication.