2 sentences

1. 我没有第一手资料。

   wǒ méi​yǒu dì​yī​shǒu zī​liào.

   I don’t have first-hand information.

   Source: CCMatrix

2. 通过书籍或历史课程学习无法与第一手旅行体验相比。

   tōng​guò shū​jí huò lì​shǐ kè​chéng xué​xí wú​fǎ yǔ dì​yī​shǒu lǚ​xíng tǐ​yàn xiāng​bǐ.

   Learning through books or a history class cannot compare to a first-hand travel experience.

   Source: CCMatrix