chasms
A chasm is a very deep crack in rock, earth, or ice.
a yawning fourteen-foot-deep chasm which inexplicably had opened up in the riverbed.
河床上莫名其妙地裂开一个14英尺深的大口子。
If you say that there is a chasm between two things or between two groups of people, you mean that there is a very large difference between them.
gulf , gap
the chasm that divides the worlds of university and industry.
阻隔大学与企业之间的的鸿沟。