имеются основания полагать, что
• There is reason to believe that this problem will not be difficult to control.
• There are reasons (or grounds) to assume that ...
Русско-английский научно-технический словарь• There is reason to believe that this problem will not be difficult to control.
• There are reasons (or grounds) to assume that ...
Русско-английский научно-технический словарь