in, to, on和off在方位名词前的区别

1. in表示A地在B地范围之内。如：
Taiwan is in the southeast of China.
Shandong is in the east of China.

2. to表示A地在B地范围之外，即二者之间有距离间隔。如：
Japan lies to the east of China.

3. on表示A地与B地接壤、毗邻。如：
North Korea is on the east of China.
Mongolia is on the north of China.

4. off表示“离……一些距离或离……不远的海上”。如：
They arrived at a house off the main road.
New Zealand lies off the eastern coast of Australia.