difference - identity relations的用法和样例：
- A paternity suit is a typical case of identity relation, and most countries establish legislatively it as an independent cause of action.
- Luo Fu seeks for the fusion of the surrealistic literature and Zen, intending to find the identity relation between the two, and to look for the complementary relation between them.
- Whether it rains or not makes no difference to me.
- They differ in size but not in kind.
- Each and every difference contains contradiction.