一：
In recent years tourism get the favour of people, probably because of the traffic convenience, now quite. Why!
People like to travel possible reasons can reduce stress is travel, angementation knowledge, might also be able to submit some friends. But if travel over still cannot restore ferial mood word, so to work and life would be very troublesome.
But tourism after all is a beneficial activities, I suggest that you still much to participate.
二：
Call immediately contact with others, also can prompt response, but only commonly the connection between the sound. E-mail words, although not immediately got a reply, but can pass with pictures, documents and so on these voice cannot express things to contact.
By technical progress, now phone can call, and can go online sending E-mail. I think this is very convenient