翻译成英文：1.有新产品或服务推出；2.促进产品更新换代；3.提高市场占有率；4．薄利多销,提高利润

1. There are new products or services launched;
2. Promote product upgrading;
3. To increase market share;
4. Small profits, improve profitability

1 release new products or service
2 update the products
3 increase the market share
4 promote the profit by selling at low prices but on a large scale