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。
人心如同天渊，心的本体无所不包。
Consumer preferences evolve rapidly, and staying ahead means listening more than we speak.
抱最好的希望，做最坏的打算。
A company’s greatest asset is its people—invest in them, and they will drive success.
The customer’s trust is the most valuable ingredient in any recipe.