The first three questions were all devoted to the difficult economic situation, with falling oil prices prompting worries that 2016 will be a tough year.
How much time should be devoted to preparation is difficult to determine.
Case in point: the opening two spaces in the Victoria and Albert Museum's Savage Beauty exhibition, devoted to those early, "difficult" McQueen shows, consist almost entirely of clothes donated by women who (sometimes) bought and (always) wore the designer.
A generation of New Yorkers, and thousands elsewhere reached by the stations' signals, knew his opinions as the pitch-perfect accompaniment to programs devoted to unusual and difficult short pieces of music and longer works, including full-length operas.
Few musicians have been as devoted to new and difficult music as he has, both as a soloist and through his involvement with ensembles like Tashi and Speculum Musicae in the 1970s; the Chamber Music Society of Lincoln Center since the mid-'80s; and, lately, the Fred Sherry String Quartet.
Mr. Signor said the department might do the risk adjustments itself, though he could not say what kind of resources it would devote to that difficult task.
An important difference between scenarios A and C, the implications of which are not quantified in our results, is that scenario C could increase access to mammography screening by increasing the number of film readers, reducing the screening load of the radiologists, and providing greater time for the radiologist to devote to evaluating difficult and abnormal screening exams.
There is a thoughtful, convivial community of artists, enthusiasts and collectors devoted to young, and even somewhat difficult art.
Jacob Kirkegaard, of the Peterson Institute for International Economics, reckons that since 2009, a higher proportion of global trade has been devoted to things that are very difficult to measure, such as tax services and e-commerce.
Another common feature of these regimes is the fragmentary historiography devoted to them, making broad generalizations difficult.
