zhè wèi zhuān jiā de píng lùn yán bì yǒu zhòng，yí zhēn jiàn xiě de zhǐ chū le xiàng mù de hé xīn wèn tí。

这位专家的评论言必有中，一针见血地指出了项目的核心问题。

This expert's comments hit the nail on the head, pointing out the core problem of the project in a sharp and accurate way.