Your email address will be the identity of your e-badge of CESGP and member communications. So, you are suggested to use your personal email and ensure it remains valid long-term. 

您的電子郵件地址將作為您 CESGP 電子徽章的身份及會員通訊。因此，我們建議使用您的個人電子郵件地址並確保其長期有效。