It's the galley s of my new book.
这是我新书的样本。
advance copy:新书样本
advance booking 预订 | advance copy 新书样本 | advance guard 前卫
advance copy:(新书)样本,试行本
advance 推进,提前,改进 | advance copy (新书)样本,试行本 | advance of admission 提前进气