commercials interrupt you from time to time .from time to time

commercials interrupt you from time to time .from time to time
commercials interrupt you from time to time .from time to time

commercials interrupt you from time to time .from time to time
生意上的事一次又一次的打扰你.
from time to time 一次又一次的

不时地....

一次又一次，不时地

不时地/时时地/偶尔地/隔三差五地

时常，有时。