constant

"The invariable part of my morning routine is drinking coffee before starting my work. "

"The coffee concentrate was strong, so a little went a long way. "

"My discussion with the professor was very enlightening."

"The computer calculated the answer numerically, using a series of approximations. "

"She regularly participates in class discussions. "

""Because of unforeseen circumstances, the school trip was cancelled." "

"The teacher explained the lesson thoroughly throughout the entire class period. "

"My son consistently gets good grades in math class. "

"Construction is underway on the new bridge."

"My discussion with the professor was very enlightening."

"The temperature in the room dropped nearly 20 degrees; it went from hot to cold."

"The teacher improved the readability of the worksheet by using a larger font and more spacing. "