5. Triage ruthlessly. 有所取舍
You don't need to put an equal amount of effort into every class. Inject extra effort when it's important to you, but feel free to back off a little from classes that are a low priority based on your specific goals.
你無須對每一個課程都付出同樣的努力。重要的課程可以多加把勁,但對于那些對你的目標無足輕重的課程可以松懈一點。