Firstly, real-life communication is much better than communication online in terms of enhancing parent-child relationship, for the former can better guarantee honesty of the communication.
2
人类的语言是多产的,是一个开放的交流系统,而其他交流系统都没有这种特性。
Human language is productive, an open-ended communication system, whereas no other communication system has this property.
3
也许有一天我们会对植物交流有足够的了解,从而亲自与他们“交流”。
Maybe one day we will know enough about plant communication to be able to "talk" with them ourselves.