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

"Myth plays just as important a part in the construction of identity as does historical fact -- indeed it is often difficult to tell them apart," Michael Wood writes in "In Search of England," a collection of illuminating essays on the pastiche of myths and facts that has shaped England's national identity.

Indeed, it is often difficult to distinguish arterioles and venules, and the occurrence of vascular shunts is common in GBM vasculature [ 6].

Indeed, it is often difficult to identify the start codon, especially when several methionines are found in this N-terminal region (see, for example, [ 17]).

It is often difficult to say.

First, it is often difficult to set appropriate support threshold.

It is often difficult to diagnose and treat.

It is often difficult to discern whether Blatter is serious.

However, it is often difficult to control the etching process.

That sounds straightforward, but it is often difficult or impossible.

It is often difficult to distinguish between them.

However, it is often difficult to find [ 2].