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. How you can routinely escape properties when they are staying established/retrieved? See much more linked questions Relevant This is great, isn't it: You can begin with The only implementation possible, and you simply are free to afterwards migrate to the property Variation without the need to alter the interface! https://navrajinfratechgurgaon.blogspot.com/