Incidental expense
偶然费用
🧩 词语组成解析
incidental
[[ˌinsi'dentəl]]
a. 附带的, 偶然的, 容易发生的\\nn. 附带事件
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。