There is certainly great value in writing for yourself.

为自己写作无疑有巨大价值。

They worked unremittingly and created great value for the company.

他们坚持不懈地工作，为公司创造了巨大的价值。

The records of the Board of Astronomy and Mathematics are of great value to later research.

钦天监的记录对后世的研究有重要价值。

Repellents are of no great value.

驱避剂无甚价值。

Practice proved sports and games of great value.

实践证明体育运动很有价值。

To give someone something of great value or importance

把（有价值的或重要的东西）赠予某人

This dictionary is of great value for English learners.

这本字典对学习英语的人很有价值。

This fundamental research is regarded as of great value.

这项基础研究被认为极具价值。

What（=The things that）the lecturer said is of great value.

（what在从句中作宾语, 表示陈述。） 主讲人所讲的非常有价值。

What(=The things that)the lecturer said is of great value.

（what在从句中作宾语，表示陈述。）主讲人所讲的非常有价值。