I showed his certificate and a book.

我展示了他的证书和一本书。

youdao

Our bank provides safekeeping service for the clients to keep documents of value, such as deposit certificate (bank book) and bonds, for which we charge some handling fee accordingly.

我行为客户提供保管箱服务，您可以保存有价值的证券，如存单(存折)、债券等等，我行收取一定的手续费。

youdao

The receipt or certificate should be kept together with the Oil Record Book Part I.

该收据或证明应与《油类记录簿》第I 部分一同保存。

youdao

Jorge Nieto, the minister of labour, brandishes a book-length certificate from the International Labour Organisation to prove that the country's labour laws do meet international standards.

ECONOMIST: Labour rights and free trade with the United States