警方调查年轻CEO李宇峰的死亡案件，发现尸体上的小刺痕和毒草残留物，揭开了一场复杂的谋杀案的序幕。

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A detailed review of the Samsung Galaxy Z Flip 4, covering its design, display, performance, camera, battery life, and price to help you decide if it's the right smartphone for you.

A young man in a black hoodie takes the stage, singing to a large and enthusiastic crowd at a live concert event.

Watch Dwayne Johnson showcase his DJing skills, blending his charisma and energy behind the decks.

Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.