by itself例句
Encouraging teacher transfer would not,
by itself, integrate the teaching corps.
鼓励教师调动本身不会消弭教学队伍中的种族隔离。
The machine will start
by itself in a few seconds.
几秒钟后,机器将自行启动.
With regard to hardness, the diamond is in a class
by itself.
讲硬度, 金刚钻是独一无二的.