In Europe, several very large-scale projects are advancing in the North Sea region, particularly in Norway, the Netherlands, Denmark and UK.
self.storage.close()，更多细节参见WPS官方版本下载
Equal (1): Everything in this space must be equal to 1. The answer is 1-1, placed vertically.，推荐阅读heLLoword翻译官方下载获取更多信息
class Storage {