And every month he mailed a postal money order.

他都会寄一张票。

There were a dozen of them hell-bent on stealing postal orders.

当时可是有一大群人拼命想偷走票呢 票是指付给某人一定金额的凭据。

He's most likely in jail for stealing a postal order.

他有可能因为偷了一张票而坐牢。