这部纪录片主要是为了宣扬环保理念。

Zhè bù jìlùpiàn zhǔyào shì wèile xuānyáng huánbǎo lǐniàn.

This documentary is mainly meant to promote the idea of environmental protection.

这家企业一直在宣扬自己的社会责任感，以树立良好形象。

Zhè jiā qǐyè yìzhí zài xuānyáng zìjǐ de shèhuì zérèngǎn, yǐ shùlì liánghǎo xíngxiàng.

This company has been promoting its sense of social responsibility in order to build a good image.

他喜欢在社交媒体上宣扬自己的成功经验。

Tā xǐhuān zài shèjiāo méitǐ shàng xuānyáng zìjǐ de chénggōng jīngyàn.

He likes to publicize his success experiences on social media.