The engineer and his son held frequent meetings concerning technical problems.

工程师和他的儿子经常就技术问题进行讨论。

《柯林斯英汉双解大词典》

The engineer and his son held frequent consultations concerning technical problems.

工程师和他的儿子经常就技术问题互相征求意见。

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The engineer and his son held frequent consultations concerning technical problems.

工程师和他的儿子经常就技术问题互相征求意见。 。

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"We had issues concerning the facts people had whether (Roth) had an agreement with his son, " Davis told CNN on Thursday.

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