5 sentences

1. 这次会议只有公司高层才能参加。

   zhè cì huì​yì zhǐ​yǒu gōng​sī gāo​céng cái néng cān​jiā.

   Only senior management can attend this meeting.

   Source: Dong Chinese Dictionary

2. 公司高层都来自日本古老的贵族世家。

   gōng​sī gāo​céng dōu lái​zì Rì​běn gǔ​lǎo de guì​zú shì​jiā.

   The top executives are from old Japanese aristocratic families.

   Source: OpenSubtitles

3. 公司高层向媒体放风，暗示即将进行裁员。

   gōng​sī gāo​céng xiàng méi​tǐ fàng​fēng, àn​shì jí​jiāng jìn​xíng cái​yuán.

   Top management leaked information to the media, hinting at upcoming layoffs.

   Source: Dong Chinese Dictionary

4. 他住在这栋高层建筑的顶楼。

   tā zhù zài zhè dòng gāo​céng jiàn​zhù de dǐng​lóu.

   He lives on the top floor of this high-rise building.

   Source: Dong Chinese Dictionary

5. 这一带新建了许多高层楼宇。

   zhè yī​dài xīn​jiàn le xǔ​duō gāo​céng lóu​yǔ.

   Many high-rise buildings have been built in this area.

   Source: Dong Chinese Dictionary