Data held in memory is fast to access, but volatile.

保存在内存中的数据是快速访问，但不稳定。

youdao

Sina's operation - healthy advertising business but volatile wireless revenues (negative).

新浪的运营—健康的广告业务但是不确定的无线收入(负面)。

youdao

Which can become a dangerous game, of course, if your first relationship was exciting, but volatile and unhealthy.

当你第一段感情经历非常刺激但却不稳定、不健康时，这无疑会变成一个危险的游戏。

youdao

It adds a third strand to the group's business, somewhere between its profitable but volatile luxury interests and its steadier but less lucrative retail division.

ECONOMIST: France's PPR group buys into Puma

Mario Balotelli, the gifted but volatile media magnet of a striker, had to be restrained after arguing with teammate Aleksandar Kolarov about which of them would take a free kick.

WSJ: English Premier League: Sir Alex Ferguson's Mind Games

Furthermore, it may well be hard for investors to spot the difference between a fund manager who is able to produce a high, but volatile, long-term return and one who is simply erratic and incompetent.

ECONOMIST: Smooth returns can be a sign of danger for investors