7 sentences

1. 他在多年的工作中积累了丰富的经验。

   tā zài duō​nián de gōng​zuò zhōng jī​lěi le fēng​fù de jīng​yàn.

   He has accumulated a wealth of experience over his years of work.

   Source: Dong Chinese Dictionary

2. 他通过多年的经商积累了巨大的财富。

   tā tōng​guò duō nián de jīng​shāng jī​lěi le jù​dà de cái​fù.

   He accumulated great wealth through years of business.

   Source: Dong Chinese Dictionary

3. 他在政坛打拼多年，积累了丰富的人脉。

   tā zài zhèng​tán dǎ​pīn duō nián, jī​lěi le fēng​fù de rén​mài.

   Having worked in politics for many years, he has built an extensive network.

   Source: Dong Chinese Dictionary

4. 他在新闻界工作了二十年，积累了丰富的人脉。

   tā zài xīn​wén​jiè gōng​zuò le èr​shí nián, jī​lěi le fēng​fù de rén​mài.

   He has worked in journalism for twenty years and has built an extensive network.

   Source: Dong Chinese Dictionary

5. 成功来自日常点点滴滴的积累。

   chéng​gōng lái​zì rì​cháng diǎn​diǎn​dī​dī de jī​lěi.

   Success comes from the accumulation of everyday bits and pieces.

   Source: Dong Chinese Dictionary

6. 资本积累对企业的发展至关重要。

   zī​běn jī​lěi duì qǐ​yè de fā​zhǎn zhì​guān​zhòng​yào.

   Capital accumulation is crucial for the development of an enterprise.

   Source: Dong Chinese Dictionary

7. 这种长期的积累效应不可忽视。

   zhè zhǒng cháng​qī de jī​lěi xiào​yìng bù kě hū​shì.

   This long-term cumulative effect cannot be ignored.

   Source: Dong Chinese Dictionary