用definite time造句子，“definite time”造句

Start by having a definite timeframe for each goal, and then figure out how much you need to save (or pay towards debt) each month to get to your goals.

The timing food supply device of the utility model can quantitatively supply food for pets at definite time and provide convenience for people feeding the pets.

Since the 1920s, scientists have known the universe is expanding, which means it must have started at a definite time in the past.