If some parts of the world face serious threats of deforestation, others, for example, Europe and North America, are confronted with the problem of underutilization of forests as a renewable resource.
例如，世界上有些地方面临严重的毁林威胁，而其他地方，例如欧洲和北美，则面临森林作为可再生能源未得到充分利用的问题。