有价

xiě xia wǒ suǒ zuò de shì qing fēi cháng yǒu jià

写下我所做的事情非常有价。

Having a written record of what I've done is very valuable.

zhè shì yī běn yǒu jià de zhōng shì jì shǒu chāo běn

这是一本有价的中世纪手抄本。

This is a valuable medieval manuscript.