A three-stage life has few transitions, while a multi-stage life has many.

At the time, I am sure she thought she was teaching me about mechanics, transitions (過渡), structure, style and voice.

At times, these breaks and transitions will be self-determined, at others they will be forced as existing roles, firms, or industries cease to exist.

John Chambers, chairman of cisco Systems Inc., a worldwide leader in electronics products, says that "we compete against market transitions, not competitors."

Transitions between stages could be marked with sabbaticals as people find time to rest and recharge their health, re-invest in their relationships, or improve their skills.

As Vaclav Smil points out, "All the forecasts, plans, and anticipations cited above have failed so miserably because their authors and promoters thought the transitions they hoped to implement would proceed unlike all previous energy transitions, and that

Politicians are fond of promising rapid energy transitions.