Mbb
abbr. make before break 在突變之前制造; mortgage-backed bonds 由財力支持抵押債務
??? 情景例句
I studied medicine there.
我在那里學醫學。
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定為大使。
It doesn't matter. It's not important. But my friends call me Jim for short.
沒關系。這不重要。不過我的朋友們為了簡便都叫我吉姆。