1.The quality of medical care you receive from doctors could depend on the time of the day you visit a hospital or clinic.
depend on依靠;依賴
He was the sort of person you could depend on.
他是你可以信賴的人 。
2.A study from the University of Pennsylvania in the USA discovered a significant difference in the decision-making of physicians at different times of the day.
significant difference明顯性差異
Even for this small problem, that's a significant difference.
即使對于這個小問題,這也是很顯著的差異 。