桑切斯在不断地试图完善一切事物，从田间播种技术到在线推广和销售他的产品。
Sanchez constantly attempts to improve everything from seeding techniques out in the field to the promotion and sale of his product online.
我应该如何推广和销售？
按酒店和部门的要求完成酒店市场推广和销售任务。
Undertakes tasks as and when requested to fulfill the marketing and sales objectives of hotel.
应用推荐