Shrewder
a. 精明的( shrewd的比较级 ); 敏锐的; 有眼光的; 精于盘算的
🗣️ 情景例句
which has been vacant for over a year now,
已空了一年多，
To cast off the shell
蜕皮
Unfortunately it will cost a lot of money.
遗憾的是，这要花很大一笔钱。