Obstacles
n. 障碍（物）( obstacle的复数形式 ); 障碍物; 绊脚石; 障碍栅栏
🗣️ 情景例句
Concerned about whom?
为谁担心
It's the kind of work I've always wanted to do.
它是我常常想做的工作。
This increases the expense of government,
这样一来就增加了政府的开支，