语言是一个自由创造的过程;其法则和原则是固定的,但生成原则的运用方式是自由且无限多样的。
快乐激发玩耍的冲动,兴趣激发探索的冲动,满足激发品味和整合的冲动,而爱在安全、亲密的关系中激发这些冲动的循环往复。
The future of farming lies in our ability to balance productivity with environmental responsibility.
The best fertilizer is the farmer's shadow.
Sustainable development is not an option, but a necessity for the coal sector.