因此,如果依据主要由经济因素组成的基础结构,则社会的多样性是可以解释的. Fields Possess a "visibility" this decides what other classes can see the sector, so in the above instance A personal industry can only be utilized by the class which contains it, but the property accessor offers readonly access to the sector by subclasses. Below is another illustration on how https://godrejconnaughtonegurgaon.blogspot.com