只为自己使用地，不公开地
for its use only
The committee kept the results of the survey to itself (= did not tell anyone), fearing a bad public reaction. 委员会担心会引发不好的公众反应，因此没有公开调查结果。
Until a few years ago, the firm had the Chinese market pretty much to itself.
I set off early so that my new car would have the road all to itself.
I was amazed to find that my class had the whole museum to itself.
The alligator found a water hole all to itself.
See also: itself