Opaquing
不透明的( opaque的现在分词 )；难理解的；晦涩的；不传导的
🗣️ 情景例句
Bye-bye.
再见。
Prefer loss to unjust gain.
宁可受损失，休取不义财。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，