编写一本书不仅仅是写好内容，其它像编辑、排版、封面设计和选择出版商等工作也很累人，更不用说书的营销了。
Writing a book is much more than writing the content. Other tasks include editing, layout, cover design and then choosing a publisher, not to mention marketing the book.
但是志愿者的工作将非常辛苦而且很累人，工作时间很长。
A But it will be quite hard work and very tiring, it will take long hours.
但是志愿者的工作将非常辛苦而且很累人，工作时间很长。
A But it will be quite hard work and very tiring, it will take long hours.
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