BL dispatch area, let us have a look your good writing!

　　BL發(fā)文區(qū)，讓我們看看你的好文筆吧！

　　The commonly used breakpoint commands are bp, BC, bd, be, and bl.

　　常用的斷點命令有bp、bc、bd、be和bl。

　　BL is an essential document in international trade and shipment.

　　提貨單是國際貿易和船運中一種很重要的單據。