Self-built
自建（self-build的过去式和过去分词）
🧩 词语组成解析
self
[self]
n. 自己;本人;本性;私利;
adj. 同一的;纯净的;单一的;
vt. 使自花授精;使近亲繁殖;
vi. 自花授精;
built
[[bilt]]
build的过去式和过去分词
🗣️ 情景例句
It's his first venture into business.
他初涉商界。
Sure, what did you want to know?
真的，你想知道什么呢？
What seems to be the problem.
什么样的问题呢？