Experts doubt any could be ready for development until the next century.

The technology is many years from being ready for market; some experts doubt that it could ever be.

Experts doubt that those changes have had much effect on the crime rate, however.

But some experts doubt the tests will be used that often.

The central bank refused to lower interest rates last week, and experts doubt it will do so for at least another few months.

Most Western experts doubt that such restrictions are in place.

Experts doubt Mexico can grow that fast any time soon.

Many experts doubt that his plan would slow the rise in medical prices.

But some legal experts doubt the laws will make a practical difference.

But few experts doubt that the impact will be widespread.