Science is not just about accumulating facts; it's about understanding the mechanisms behind them.

阅读使人充实，谈论使人机敏，写作使人精确。

For the livestock industry to develop, it must take an environmentally sustainable path.

现代世界的巨大挑战是创建既足够强大以有效治理，又对公民需求负责和响应的制度。