Previous studies demonstrated that students encountered difficulties in understanding the concept of variability.
Indeed, investigators from many disciplines, including genetics, archeology, linguistics, anthropology, Paleoecology, sociology, history, zoology, botany, history of technology, architecture, mythology, indigenous knowledge, computer simulation, experimental voyaging, and so on, have encountered difficulties in understanding this diaspora.
People who have suffered a stroke or brain injury often encounter difficulty speaking, writing, reading, and understanding speech — a disorder known as aphasia.
I am encountering difficulties with your RSS.
People also have great difficulty understanding risks.
I am having difficulty understanding the biology of our hosts.
Have you encountered difficulty repaying student loans?
But even experienced reporters encountered difficulty.
At the beginning of his set, Blunt encountered difficulty.
Grossman and Schafer encountered difficulty selecting a voice for Bernard.
But soon Wang Lung encounters difficulties.
