The success of an enterprise cannot be achieved without a deep understanding of the market and respect for consumers.
When making something, always get a few extras — extra material, extra parts, extra space, extra finishes. The extras serve as backups for mistakes, reduce stress, and fill your inventory for the future. They are the cheapest insurance.
文化唯物主义基于一个简单的前提,即人类社会生活是对地球生存实际问题的回应。