21.   The amount of language spoken at home was the key variable, researchers say.

22.   The FASB ruling not only will boost the earnings, it will lower price-to-earnings ratios, another key variable for quants.

23.   The key variable for the islands is the willingness of tour operators, cruise lines and airlines to resume normal business, tourism officials said.

24.   The key variables are refining margins, currency exchange rates and the price of Brent crude oil.

25.   The key variable in making projections of our resources, future costs, and inflation is the rate of return we apply to the portfolio.

26.   While summits and state visits are meticulously choreographed events, the president himself is the key variable.

27.   The IMF proposal would call for all countries to report on a timely basis on key economic variables such as the level of currency reserves.

28.   The risk forecast remains very high as key variables like the ringgit, monetary and fiscal policies are moving targets.

29.   The third key strategic variable is improvement in targeted promotional marketing, such as loyalty programmes and life event marketing.

30.   Analysts said Hynix would remain a key variable affecting memory chip prices, with Micron boosting chip sales in a bid to squeeze out weaker players.