in their prime

基本解释

French Londoners are often in their prime.
居住在伦敦的法国人通常都非常年轻。
"They are in their prime and brimming with happiness, " said Testino.
“他们俩在一起的时候充满了欢乐”摄影师Testino说。
Brutal plan cuts off researchers in their prime.
残酷的计划裁减了一批年富力强的研究人员。

It was the first prime-time TV show to feature characters speaking in their native language with English subtitles.
The rallies are now in their third week with anti-government protestors, known for wearing the color red, calling for Prime Minister Abhisit Vejjajiva's government to call fresh elections.
But the prime minister also admits that in a country where HIV and AIDS victims are often abandoned by their families, fear of the disease could make it almost impossible to stop its spread.

So I think these location-aware services are now in their prime time to be fully commercialized.
FORBES: Mapping The Web's Future