这里 act 是动词,这个词组只有一个用法,如下:
When specific instructions are absent,one is allowed to act at one's discretion.
You may act at your discretion when I'm away.
名词形式要改为 acting :
Acting at one's discretion may be permitted in the manager's absence.
这里 act 是动词,这个词组只有一个用法,如下:
When specific instructions are absent,one is allowed to act at one's discretion.
You may act at your discretion when I'm away.
名词形式要改为 acting :
Acting at one's discretion may be permitted in the manager's absence.