本

我有一本书。

Wǒ yǒu yī běn shū.

I have one book.

桌子上有一本书。

Zhuōzi shàng yǒu yì běn shū.

There is a book on the table.

这本书是关于历史的。

Zhè běn shū shì guānyú lìshǐ de.

This book is about history.

我的笔记本被同事借走了。

Wǒ de bǐjìběn bèi tóngshì jiè zǒu le.

My notebook was borrowed by a colleague.

这个方案不但降低了成本，而且提高了质量。

Zhè ge fāng'àn bùdàn jiàngdī le chéngběn, érqiě tígāo le zhìliàng.

This proposal not only reduced costs but also improved quality.

今年的成本比去年低了百分之十。

Jīnnián de chéngběn bǐ qùnián dī le bǎi fēn zhī shí.

This year's cost is ten percent lower than last year's.