be unconcerned about的意思|示意

It's sometimes wrongly imagined that astronomers, contemplating timespans measured in billions, must be serenely unconcerned about next year, next week and tomorrow.

有时，人们会错误地想像，以数十亿的标准来衡量时间间隔的天文学家们一定很冷漠，不会在乎明年、下周甚至明天。

A lot of users clearly share this sentiment, though far too many younger users still seem to be quite unconcerned about it.

好多用户无疑和他持同一观点，尽管有太多的年轻用户似乎对此漠不关心。