负责开发英语怎么说

问题一：我负责开发和设计新产品用英语怎么说 My job responsibility is to develop and design new product.

问题二：我负责一个开发部门，英语怎么说 I am in charge of the developing department.

问题三：”开发新市场，负责产品销售”用英语怎么说？ develop new markets 开发新市场

be in charge of/responsible for the sales of products 负责产品销售

问题四：业务开发用英语怎么说 业务开发

business development; business programming;

[例句]携程网产品开发支出的年度增长，主要由于聘用了更多的产品及业务开发人员。

Ctrip product development expenditures of the annual growth, due mainly to employ more products and business development staff.

问题五：开发客户英语怎么说? develop client base

问题六：负责公司客户的开发以及客户关系维护工作 英文怎么说？ the work responsible for the pany the customer's development and customerses the relation the maintenance