定期调查，评估，审核，管理供应商确保他们能提供好的产品和服务；
Regularly investigate, evaluate, audit and manage the suppliers, ensure suppliers provide good quality products and services.
先不要盲目发简历给众多雇主。首先对可能的公司其产品和服务进行调查。
So before blindly sending your resume to a mass of employers, research each prospective firm, its products and its services.
你仍然要调查清楚你的产品和服务是否有市场需求，你也要清楚企业的财政潜力，创业成本，以及可能的盈亏平衡点。
You still need to know if there's a market for you products or services and you still need to know what the financial potential, startup costs and breakeven point will be.
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