As well as writing software, I had to do sales and customer support.

除了写软件，我还必须做销售和客户服务的工作。

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These fields of study lend themselves to careers like teaching, writing and editing, public relations or sales.

这些学科领域引领他们从事像教育，写作和编辑，公关和销售等职业。

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Incurred expenses from the sales of the product shall be borne by AGENT and shall not be reimbursed by PRINCIPAL, unless agreed upon in writing.

如未以书面形式达成一致，任何产品销售产生的费用应由代理方承担，且不应向委托方报销。

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You could make a living writing sales pages for others.

FORBES: The Only Essential Skill You Need To Be Successful Online

These blogs are explicitly run as businesses, with paid staff doing the writing and sales departments selling advertising.

ECONOMIST: More people are quitting their day jobs to blog for a living

In spite of Alice Walker's illustrious career in sales, over 10 million books worldwide, writing wasn't her first career choice.

NPR: Walker's 'The Color Purple' Opens on Broadway