粮食安全始于土壤安全。
We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.
Knowledge is only useful if it’s applied.
在传统与现代的交汇处,我们找到了人性最深刻的表达。