Sentence examples for often difficult to determine from inspiring English sources

It is often difficult to determine if the fault is entirely on one side.

These officials say it is often difficult to determine who is to blame for specific violent acts.

Barring the reading of 990 tax forms, it is often difficult to determine what constitutes a successful charitable enterprise.

Regulation is so primitive that federal officials say that among the hundreds of small aircraft crashes every year, it is often difficult to determine which ones involve tours.

Although it is fairly well documented that the disease is rarely spread through person-to-person contact, the exact source of outbreaks is often difficult to determine.

The strength of agglomerates is often difficult to determine and makes processing parameters challenging to optimize.

However, the site of dural tear is often difficult to determine.

The cause of early graft failure is often difficult to determine clinically.

Despite years of experience, it was often difficult to determine when to medicate.

And since there are thousands of them, it's often difficult to determine which are must-sees.

It's often difficult to determine if work-related educational expenses are deductible.