Undocumented
a. 无正式文件的, 无事实证明的
🗣️ 情景例句
I took him to Philip's office yesterday for a checkup.
我昨天带他到Philip的办公室去做检查。
Maybe it will work
也许这个办法会有效。
Unlike most of his contemporaries in Hollywood, Hart actually knew something of the old West.
哈特与大部分同时代在好莱坞的演员不同，他确实了解西部早期拓荒生活的一些情况。