If a high hill stood between A and B, it was important to decide whether the line should climb over it, pierce it with a tunnel, or make a detour to avoid it.
假設 A 和 B 之間有一座高山,那就要考慮一下,路線應該越過高山、穿過高山,還是直接從山旁繞過呢?
Taoism was founded on the teachings of Laozi, a sage born in 604 B.C. in present-day Henan Province.
道教是用老子的教导创立的,他是公元前六零四年在现代的河南省出生的圣贤。
Many important historical events took place 7000 years B.C.