Sentence examples for difficult to trace in from inspiring English sources

And it was not difficult to trace in Pinter's own complex personality elements from both sides of the family.

Given that the extent and impact of externalities is very difficult to trace in a complex system (because of its intricate interdependencies and in particular, emergent behaviour), the direct measurement of externalities is a challenging task.

We are speaking, however, of two possibilities of the past difficult to trace in the present.

The use of instruments traditionally associated with classical music in rock music is difficult to trace in its beginnings, although it is evident in the early 1960s work of Burt Bacharach and Phil Spector.

Although of importance over the vast area of southern Africa, mongoose rabies is less threatening to human and animal health and is consequently difficult to trace in history [ 5].

It was very difficult to trace TBAs in Dar es Salaam.

The precise origin of this 1918 virus is however difficult to trace back in time due to the absence of genetic information on the viruses circulating before the 20th century.

As a result it is difficult to trace progress in upstream work and the extent to which UNICEF is achieving what it sets out to do. 6. Managing the balance between upstream and downstream: in the Zimbabwean context UNICEF has maintained its relevance and effectiveness by continuing with downstream implementation work in conjunction with its upstream work.

It's been difficult to trace her associates in the city, but from what I can gather she was involved with the Guerrilla Girls, the feminist art collective established in 1985 as a reaction to perceived sexism in the industry, and became friendly with Keith Haring, the late activist artist.

Haas notes that policy communities in general may be difficult to trace, so their influence in policy development may be underestimated.

Common as such interactions may be, it's often difficult to trace their origins back in evolutionary time.