销售点的英文：
【计】 POS

Sales points- very impressive
销售点-给人印象深刻

Please send us by return mail your quotation and catalogs of your products No,PO - 218,PO - 332,PO - 418.
接获此信后，贵公司回函时请附上编号PO－218，PO－332，PO－481产品的报价及目录。

Through the fields flows the mighty river Po.
穿过这片田野流淌着浩大的波河。

For the payment I inclose herewith p.o. money order.
为支付货款，同函附上邮局汇票。

For the payments I inclose herewith P.O. money order .
为支付货款，同函附上邮局汇票。

Through urine, the chemical found its way into the Po and the sewerage system.
通过尿液，这种化学物质进入波河和污水处理系统。