Invalidated bonds
[经] 宣告无效的债券
🧩 词语组成解析
v. 使无效( invalidate的过去式和过去分词 ); 使作废; 证明…错误; 使站不住脚
n. 镣铐, 监禁
🗣️ 情景例句
Something simple--but a good one.
要简单的，但要精美 。
Why does only one sock get lost at a time?
为什么袜子只丢了一只呢？
Bison waste no longer fell on the ground to improve the soil, which as a result became less good for growing plants.
地上不再有野牛的粪便来改良土壤，结果对于植物生长土壤变得不够肥沃了。