尽可能及时地向供应商、工人、承包商结款。他们下次会不遗余力地优先服务你。
Immediately pay what you owe to vendors， workers， contractors. They will go out of their way to work with you first next time.
You have to have confidence in your ability, and then be tough enough to follow through.
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
能源的未来在于平衡传统资源和可再生发展。