Second, the early warning formula of great wisdom is very strong, which belongs to the all-push market, while communication only has the on-demand market and can hardly be used.

Third, the formula of great wisdom, exponential function and so on are more powerful.

Of course, Tong Daxin also has his advantages, mainly because he is closely connected with brokers, so placing an order is more convenient and easier to operate, at least easier than straight flush.

I prefer correspondence as long as I am used to it.