good effect的用法和樣例：
例句
- He is not much of an administrator himself: though he can use statistics to good effect when he wants to, he has no great grasp of figures.
他本人算不得一個好的行政官員，儘管在他需要的時候他能有效地運用統計資料，可他對數字的掌握卻不夠好。 - Mary's leading card was her charm. She played it time and again to good effect.
瑪麗的法寶是她的魅力，她一再玩弄這張王牌，玩得頗有成效。 - The room shows off her paintings to good effect.
這個房間把她繪畫的優點充分顯示出來。
