解释：大部分蔗都是甘甜的，而竹蔗却是苦的，说明了蔗类味道的多样性。
Science is not just about accumulating facts; it's about understanding the mechanisms behind them.
智者虽然很善于谋划，但是不如能抓住时机。
人は、自分が望むものを手に入れるために、時に残酷になることがある。
The ultimate goal of machine learning is to make computers learn from experience and improve their performance on tasks over time.