Undetermined boundary
[法] 未定边界
🧩 词语组成解析
a. 未经决定的, 未确定的, 性质未明的, 形式未定的, 缺乏决断力的\\n[计] 未定的
🗣️ 情景例句
The advanced class is nonstop.
高级课程， 是没有休息的。
To speed-read
速读
Men accustomed to struggling for survival against the elements and Indians were bewildered by politicians, bankers and businessmen, and unhorsed by fences, laws and alien taboos.
习惯与大自然和印第安人作斗争以求生存的拓荒者被政客、银行家和商人搞得晕头转向，最后被圈地、尖律我外来的清规戒律所击败。