Stem from example sentences

Internal pressures stem from beliefs based upon expectations from inside us to ourselves such as, 'I must do everything perfectly'.For example, if we bring a change in temperature of the system from 25°C to 35°C, the change in temperature is 35°C–25°C = +10°C, whether we go straight up to 35°C or we cool the system for a few degrees, then take the system to the final temperature.The wall that separates the system from the surroundings is called boundary.This technique is widely used by anthropologists whose objective is to gain a firsthand perspective of a system from within which otherwise may not be readily available to an outsider.