单语范例（未经PONS编辑处理）
And it allows teachers to track students over the years, which all studies show is very beneficial to education.
en.wikipedia.org It can go the other way too, positive aspects of a relationship might not be as beneficial as perceived.
en.wikipedia.org Most people grumbled, but for the poorest, rationing was beneficial, because their rationed diet was of greater nutritional value than their pre-war diet.
en.wikipedia.org Red stars are beneficial events to a player's career while blue stars lead to events that are harmful to a player's career.
en.wikipedia.org Moderate amounts of stress may be beneficial to memory by the release of corticosteroids.
en.wikipedia.org