billionaire是什么意思？

While that may make suborbital travel safer, it would add significant cost and complexity to an emerging industry that has until now operated largely as the playground of billionaires and dreamy engineers.

Talent,charm,and an exceptional work ethic have rarely hurled any one of world's most successful entertainment icons and the first African-American female billionaire.

The internet makes information billionaires out of all of us, and the architects of our online experiences are catching on to the need to make things creatively difficult

Self-made billionaires in Beijing, tech innovators in Silicon Valley, pioneering justices in Ghana—in these and countless other areas, women are leaving their mark