Backed bond
[经] 有抵押债券, 有担保债券
🧩 词语组成解析
a. 有背的；有财力支持的
🗣️ 情景例句
speak to a real-estate agent about a house.
和房地产仲介商谈一谈关于房子的事。
I feel like having some dumplings.
我很想吃饺子。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，还有一种更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就是噪音。