??c ?i?m s? 5: Liên k?t ??n t? m?t mi?n ch?a ???c liên k?t v?i b?n tr??c ?âyK?t n?i ??ng b? các social v?i nhau, ??c bi?t ch?n l?c các social có nhi?u k?t n?i t?ng 2 v?i các social liên quan.entity - that which can be perceived or regarded or inferred to acquire its personal distinct existence (living or nonliving)Think about the number of