I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating. Also, dogs are faithful and they do not tell lies because they cannot talk.
我喜欢狗。你总能知道狗在想什么。它们只有四种情绪：快乐、悲伤、生气和专注。而且狗很忠诚，它们不会说谎，因为它们不会说话。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
研究不仅仅是回答问题，还要提出正确的问题。