1 has different meanings. Yu, which means a new day, means tomorrow. When used as a verb, it refers to sunlight and light; Shine. Jade, which means to shine like fire, means that the sun rises and shines. Its original meaning is to shine.

2. The glyph structure is different. Yu is the upper and lower structure. Yu is a left-right structure.

3. Different parts of speech. Yu Can can be used as a noun, verb and adjective. Yu Can can only be used as a verb.