That means it is possible to be sure of the paternity of a tadpole.
Chelsea must beat Cluj in their last group game to be sure of qualifying.
In contrast, enough is known of Shapley, her last boss, to be sure of his egotism.
Book well ahead for July and August in order to be sure of getting on a cruise.
To be sure of that, we went to a Best Buy store and asked a cell phone expert there.
It would take several rate rises to be sure of pricking share prices.
If Mr da Silva wants to be sure of avoiding such a fate, he must act fast and he must act convincingly.
But because these results came from such small subsets of the study, it is still somewhat difficult to be sure of the results.
To be sure of attracting them, the government might need to provide a combination of cheap loans and a guaranteed floor on losses.
In the day's other game, Nigeria's Super Eagles need a win against Ethiopia to be sure of avoiding early elimination from the finals.
And yet the Reagan story contains no simple formula that Mr Obama can copy to be sure of an equally happy ending to his own presidential adventure.
Likewise, central bankers need to monitor a large range of economic and financial indicators if they want to be sure of achieving their ultimate goal of low inflation.
ECONOMIST: Remember monetarism? It may be coming back into fashion
Most of the packets of medicine with the scratch panel are currently available in hospitals to allow doctors and nurses to be sure of what they are giving patients.
Citroen only needed six points to be sure of the manufacturers' title while rivals Peugeot needed a one-two to keep the fight alive going into the final round in Australia.
Other, better behaved (and female) students prefer to stay on campus, sleeping in classrooms to save money, and to be sure of getting a desk when lectures start in the morning.
ECONOMIST: Against the odds, Congolese students are learning about IT
With Roma's victory over Cluj, the Italians moved a point clear of Chelsea, who must now beat Cluj in their final group match to be sure of reaching the knockout stages.
Fine, but Mr Geithner still has a yawning gap to bridge between banks, which do not want to sell at depressed prices because of losses they would have to recognise, and potential buyers, who need to be sure of healthy returns.
Legislative elections are scheduled for June 10 and 17, and Sarkozy's Union for a Popular Movement party, known by its French acronym UMP, needs to hold on to its majority in parliament if it wants to be sure of pushing through his plans.
We'll probably discover more of these systems and we'll be able in a couple of years to be sure about this sort of diagnosis.
This conscious managing of the conversation will take some practice, because you have to be very sure of your own body language, and that of others, before you will have the conscious ability to do this.
FORBES: How To Control Others' Body Language - Is Body Language Necessary, Pt 4
Much to the chagrin, to be sure, of Sam Zell and the leadership at Tribune Corporation.
FORBES: Changes in Journalism - Get Aboard, or Get Run Over!!
In that atmosphere, it was hard to be sure some of the most basic research was undertaken when it should have been.
To be sure none of this is that much of a surprise.
FORBES: The iPad's Surprisingly Strong Showing on Thanksgiving
With the left withdrawing support, the government can rely on only 226 members in the 543-seat parliament, and needs 46 more to be absolutely sure of a majority.
"Under-13s create a real problem because it is absolutely impossible in the current set of standards to be sure about the age of anyone because children will lie, " he said.
BBC: Dad of girl, 12, sues Facebook over her suggestive photos
The holder of a bond rated single-B gets scarcely 3.5 percentage points of premium to compensate for what are sure to be nasty losses of principal whenever a recession hits.
There are also generics, which have to be tested to make sure levels of a drug are absorbed properly into the body--the same kind of test used to ensure that generics in the U.S. are safe.
应用推荐