Sentence examples for but it is often difficult from inspiring English sources

But it is often difficult, in practice, to achieve this goal.

But it is often difficult, especially in a heavily regulated state such as California, to pass the necessary environmental tests required to open a sea ranch.

Understanding the biodistribution of drugs and their partitioning in model systems is essential for the design of drug delivery concepts, but it is often difficult or impossible to obtain such information by conventional methods.

Determining the reservoir hosts for parasites is crucial for designing control measures, but it is often difficult to identify the role that each host species plays in maintaining the cycle of infection in the wild.

Dr. Haeck said he has encountered patients in his practice who clearly exhibit signs of body dysmorphic disorder, but it is often difficult to convince them to seek therapy.

To get reliable results it is crucial to set up correct system boundaries for the investigation, but it is often difficult to understand a complex products system because of the cascade effects of consequences that can be induced even by small changes.

But it's often difficult to draw a line between poverty and neglect.

Both males and females have a small purple throat patch, but it's often difficult to see.

Ideally the two feed into each other, but it's often difficult to know where to begin.

The Sept. 11 attacks, and other disasters since then, painfully illuminated the difficulty of locating lost firefighters: mayday calls rang out, but it was often difficult to tell who was sending them.

You could see what the answer was supposed to be — she just cared too damn much — but it was often difficult, if not impossible, to give her the benefit of the doubt.