我们尝试和其他公司合作一起开拓更多商业领域。

Wǒmen chángshì hé qítā gōngsī hézuò yìqǐ kāituò gèngduō shāngyè lǐngyù.

We try to cooperate with other companies to develop more business domains.

这个问题属于法律领域。

zhège wèntí shǔyú fǎlǜ lǐngyù.

This problem belongs to the field of law.

环保是一个重要的研究领域。

huánbǎo shì yīgè zhòngyào de yánjiū lǐngyù.

Environmental protection is an important research field.