It is valid to consider memory the oldest mental skill, from which all others derive.我们有理由认为记忆是最原始的心智技能，所有其他技能都在此基础上衍生出来。Peng-hu has the most pristine beaches in Taiwan, which attract many tourists every year.澎湖有台湾最原始的海滩，每年都吸引许多游客。Jealousy is a primal emotion.嫉妒是最原始的情感。