The friend is media, also have certain knowledge to the network.

朋友是媒体的，对网络也有一定的知识。

youdao

Have certain knowledge of parenting and advanced education concept.

有一定的育儿知识和先进的教育理念。

youdao

Familiar withe-commerce overview, have certain knowledge of foreign trade and exhibition.

熟悉电子商务概况，对外贸和展会有一定的了解。

youdao

He claims to have a certain kind of knowledge of what justice is, and claims to be able to teach it to others.

他声称拥有,某种解释正义的知识，并声称自己能向他人传授这种知识。

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But I wrote it because I have a certain amount of knowledge about the subject.

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According to the Detroit Tigers Encyclopedia, Navin often seemed to have inside knowledge about certain races probably the result of picking up good info from his employers down at the casino.

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But if you are a Wharton professor, it is a pretty certain bet that you have a great deal of knowledge that is not shared by the general public.

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