Liǎng duì zhēngduó shìchǎng, dǎ de tóupò-xuèliú, zuìzhōng shéi yě méi yíng.
The two teams fought savagely for market share, and in the end neither won.
Tips
memory
The image is vivid: 头 (head) + 破 (broken) + 血 (blood) + 流 (flowing), a head so badly battered that blood flows. Used figuratively for suffering a devastating defeat.