31.   The erosion of the Watergate-era reform laws has been a gradual process, like water wearing away a rock.

32.   The evolution is a gradual process, and the results will be more satisfactory if you follow the general guidelines and attend to the fishy fellow.

33.   Only when the squatter population has stabilised and their communities mapped and confined can the gradual process of diminishing and relocating them take place effectively.

34.   Outside of storms, erosion is often a gradual process, but it can be relentless.

35.   Instead, it wants to nurture a gradual process.

36.   It has been a gradual process of learning more and more about the animal.

37.   It seems to have been a gradual process that went on for billions of years.

38.   It was the biggest step so far in a gradual process of diluting the absolute power of the monarchy.

39.   It should come as a gradual process.

40.   Kim hopes that impoverished North Korea will agree to a gradual process of openness in return for investment and economic exchanges.