To address safety concerns, Sun has implemented a reservation and deposit system, ensuring a structured and safe experience for his clients.

为了解决安全问题，孙实施了预订和押金制度，确保客户有一个结构化和安全的体验。

Petra doesn't want to use a direct deposit system because " this is a one-time thing."

Petra 不想使用直接存款系统， 因为“这是一次性的事情” 。