2 sentences

1. 该企业依托先进技术，迅速占领了市场。

   gāi qǐ​yè yī​tuō xiān​jìn jì​shù, xùn​sù zhàn​lǐng le shì​chǎng.

   Relying on advanced technology, the company quickly captured the market.

   Source: Dong Chinese Dictionary

2. 他的这种乐观情绪有着坚实的心理依托。

   tā de zhè zhǒng lè​guān qíng​xù yǒu zhe jiān​shí de xīn​lǐ yī​tuō.

   His optimism has a solid psychological foundation.

   Source: Dong Chinese Dictionary