represents a loss of cultural heritage and diversity代表着文化遗产和多样性的丧失

    The decline of languages can be viewed as a negative development as it represents a loss of cultural heritage and diversity.

    result in the loss of valuable knowledge and traditional practices导致宝贵的知识和传统做法的丧失

    It can also result in the loss of valuable knowledge and traditional practices.

    facilitate communication and unity among different people and cultures促进不同民族和文化之间的交流和团结

    On the other hand, the increase in use of certain languages can be positive as it may facilitate communication and unity among different people and cultures.

    promote language preservation促进语言保存

    support the use of multiple languages in society支持在社会中使用多种语言

    Ultimately, it is important to promote language preservation and support the use of multiple languages in society.