constancy
n[U]
(approv 褒)
1 quality of being firm and unchanging 坚定性; 持久性
constancy of purpose 目标的坚定性.
2 faithfulness 忠诚: a husband's constancy 丈夫的忠贞不渝.
No, just a few. For example, most Canadians say news [nju:z], but Americans say [nu:z]. We mainly use American words, but we use quite a lot of British words too. We fill our cars with gas, which is American, but we turn on the tap which is British En