Sentence examples for centuries is difficult to from inspiring English sources

But while its appreciation over its first two centuries is difficult to track, the two-story clapboard house with an open-hearth fireplace and dormer windows increased in value by 143.8 percent, when adjusted for inflation, between 1971 and 2001, when it last sold for $442,500.

Many important trends in forest development across landscapes and centuries are difficult to measure directly, and a space-for-time substitution in a chronosequence may provide useful insight at these scales.

The prospect of high-tide flooding occurring every day or even every other day late this century is difficult to fathom.

And their savvy femininity, with its celebration of both girlishness and womanliness and its affection for the female iconography of the mid-20th century, is difficult to resist.

The competency-based Lancasterian model of the early nineteenth century was difficult to manage with large student populations.

Estimates of salt damage and stress in wood, caused by day-to-day fluctuations in humidity for the rest of this century, are difficult to predict because increased dispersion in daily values.

In the fifth century, it is difficult to draw clear lines between the work of a medical writer/physician and a philosopher/scientist.

Probably the system of distant stations with its dispersal of force was continued for too long a time, but for the early nineteenth century it is difficult to believe that a seemingly sounder strategic policy would have proven so successful and beneficial for the United States.

Because the disease and mortality burden have differed both in magnitude and age distribution during the four pandemics that have occurred in the past century, it is difficult to characterize a "typical" pandemic.

The kilns probably continued to produce this ware until the 16th century, and it is difficult to separate some of the later productions from the earlier.

Another wave of change, with loss of word accent and of many morphological markers, probably dates from the 15th century, but it is difficult to find external motivation for those phenomena.