Even so, the shift in the centre of gravity to older age groups is bound to have a profound effect on societies, not just economically and politically but in all sorts of other ways too.
出自-2010年12月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
N-UNCOUNT
重力；地球引力
Gravity is the force which causes things to drop to the ground.
例句
Arrows would continue to fly forward forever in a straight line were it not for gravity, which brings them down to earth.要不是重力使箭落向地面，它們將永遠以直線往前飛行。
N-UNCOUNT
（事態的）嚴重性，重大
The gravity of a situation or event is its extreme importance or seriousness.
例句
They deserve punishment which matches the gravity of their crime...應當根據罪行的嚴重性來懲治他們。Not all acts of vengeance are of equal gravity.并非所有的報復行為都同等惡劣。
N-UNCOUNT
（言談舉止的）莊重，嚴肅
The gravity of someone's behaviour or speech is the extremely serious way in which they behave or speak.
例句
There was an appealing gravity to everything she said.她說的每句話都帶著一種莊嚴，很能吸引人。
英漢詞典釋義
n.
萬有引力; 地心引力; 重力
An apple falls down because of gravity.由于重力的關系, 蘋果往下掉。
嚴重性; 嚴肅, 莊嚴
He doesn't think you realize the gravity of the situation.他認為你沒意識到局勢的嚴重性。
英英詞典釋義
Noun
1. (physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface;
"the more remote the body the less the gravity""the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them""gravitation cannot be held responsible for people falling in love"--Albert Einstein