🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
n. [动]黄喉地莺
🗣️ 情景例句
It is not as difficult as it looks.
这并不像看起来那丢难。
Never be weary of well doing.
行善莫厌烦。
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，