cash transaction

例句：

1. 1. They conducted a cash transaction at the bank yesterday.
   他们昨天在银行进行了一次现金交易。
2. 2. The cash transaction was completed quickly and efficiently.
   这次现金交易迅速且高效地完成了。
3. 3. Cash transactions are often more secure than electronic ones.
   现金交易通常比电子交易更安全。