If I could, I would stop the passage of time.But hour follows on hour, minute on minute, each second robbing me of a morsel of myself for the nothing of tomorrow.I shall never experience this moment again.

Collaboration across the supply chain turns challenges into opportunities for growth.

解释：在人活动范围内的水就污浊，在野外无人地方的水就清洁。同为一样的水，都是从天边开源，有的混浊有的清洁，这是它们所处环境使它们这样的。