他在大学期间通过翻垃圾桶找到了许多还能用的电子产品。

During college, he found many still-functional electronics by ___dumpster-diving.

许多公司现在都会物理销毁旧硬盘，以防止数据被垃圾搜寻获取。

Many companies now physically destroy old hard drives to prevent sensitive data from being obtained through ___dumpster-diving.