Thee photographer would sell stacks of the wallet-size photos to guys he knew in factoriesand taverns, and they would sell them to guys they knew.
照相师把皮夹子大小的照片成批卖给他在工厂和酒馆里的熟人，这些人再卖给他们的熟人。
2
I will expand on each rule in detail. If you want, you can print a walletsize of the 4 rules here: PDF | Word doc.
接下来我讲扩展说明每条法则。你可以在这里下载打印钱包大小的这四条法则。
3
For example, INT-CA (context) would like to use Credit Digger (contract) for customers whose wallet share and loan size meet certain criteria (content).