At 4, but I have to leave by 3:00 to get there on time.
四点,不过我三点必须离开,才能准时到那里。
I didn't realize the time had passed so quickly.
我没有认识到时间这样快速过去了。
The price we pay for cheap food may be already too high: Mad Cow Disease (BSE) in cattle, salmonella in chicken and eggs, and wisteria in dairy products.