Explanation: Phi: separated. Profile: cut open. Pu: with jade stone. To distinguish the gold from the sand, the rocks split a piece of jade. Recognition from many people in the middle of metaphor, used by _select_ed personnel.
No. 2
Prix: points; profile control: cut open; Pu: with jade stone. Distinguish gold from sand, from the section in the jade stone. Analogy from a lot of people identify, select a useful talent.