两(🈯)对夫妇发现(🔨)他(tā )们的孩(hái )子在出生时就被调包，由此面临(lín )道德困境(jìng )：(🍥)是继续养育没(🥈)有血缘(yuán )(🌰)的爱(ài )(🔬)子，还(hái )是找回(😧)他们的亲(qīn )生孩子？(❣)