Sentence examples for can be difficult to monitor from inspiring English sources
I concede that it can be difficult to monitor things from thousands of miles away.
It can be difficult to monitor what a teenager is playing or what they're looking at on a computer, but there are measures to protect them.
Yet consumption can be difficult to monitor as three-quarters of the salt eaten is in common foods such as bread, breakfast cereal and ready meals.
Coastal ecosystems can be difficult to monitor effectively in the field due to spatially discontinuous and unpredictable processes such as encroachment, erosion and succession, while coverage of large extents is very expensive.
However, the precise amount of dsRNA taken up can be difficult to monitor.
Thus it can be difficult to monitor the progression of oesophagitis to dysplasia in order to detect cancer at a curable stage (Ortiz-Hidalgo et al, 1998).
It can also be difficult to monitor how the money for offsets is used and to calculate how much carbon dioxide is actually saved.
The administration of oral morphine can be difficult to manage and monitor.
Rothstein (2001) and Hood (1986) have noted that, in the absence of commonly agreed and practical principles or methodologies by which compliance can be measured ('standard-unequivocality'), process compliance is difficult to monitor and process non-compliance is difficult to enforce.
There is no apparent way in which this variation can be more carefully controlled given that the development of archegonia is difficult to monitor.
