您好，想請問一下「人數限制」的英文，有自行上網查過，可以用下列的說法嗎？

Is there a limit on the number of people who want to visit inside?

(對於想進去參觀的人來說有人數限制嗎？)

... but there is a limit on the number of people.

(...但他們有人數限制。)

謝謝。