This book is testimony to a very individual kind of courage.这本书是一种非凡勇气的证明。

Her living room is also her office, filled with desks, books, papers, a testimony to her dedication to her work.她的客厅也是她的办公室, 里面摆满了书桌、书籍和文件, 充分证明了她的敬业精神。