Since ancient times,people have relied heavily on communication tools:from signal smoke in ancient times to modern mobile phones,electronic communication devices have been more and more advanced.
from the ancient times to the present human beings depend on the transformation tools, from the early smoke to nowadays mobile telephone,the electronic tools is getting developing.
From ancient times to the present,people are always rely on the communication tools, from the earliest smoke up to now in the mobile phone, electronic communication tools are more and more developed.
从古到今人们都非常依赖通信工具,从最早的烟到现在的手机,电子通讯工具越来越发达。 Since the very beginning of human history, people have heavily relied / depended on communication tools. Electronic communication tools are becoming increa...