A well-known entrepreneur summed up the "ice cream philosophy" from unremitting hard work experience, that is, ice cream sales must start in winter because fewer customers in winter will force you to reduce costs and improve services. If you can survive in winter, then no longer Not afraid of summer competition. According to the text of this paragraph, the "ice cream philosophy" mainly emphasizes:. ['Adversity is very important to cultivate the competitiveness of enterprises.', 'Choose a good time and the business is half done.', 'Enterprises will inevitably encounter many difficulties during the startup stage.', 'Enterprises should focus on reducing costs and improving service quality.']