例句：
But will larger cities pick up on the idea?
更大的城市会采用这种做法吗？
Thee idea worked. They could pick up the food easily.
这个主意实施了。他们能够容易地夹起食物。
Politicians have been quick to pick up on the idea of a moral deficit.
政客很快捡起了道德赤字的观点。
