The phrase "a very strong one" is correct and usable in written English.
It can be used to emphasize the strength or intensity of a particular subject or object being discussed.
Example: "The argument presented was a very strong one, convincing everyone in the room."
Alternatives: "a highly compelling one" or "an exceptionally powerful one."
Natural signal crayfish densities had a significantly negative impact on predatory invertebrates and a very strong one on aquatic snails.
In fact, however, there was a very strong one: on average, $1 of exclusions in a given report of pro forma earnings was associated with a total of $1.34 less cash flow over the subsequent three years.
Romney's best moment all night, and a very strong one.
FROM "THE 'REAL' DISNEYLAND," 1985 -- It is evident that the Japanese claim to prior Disneyfication is a very strong one.
The ownership and managerial inertia over the summer has been hugely damaging yet the squad, as it stands, is still a very strong one.
His answers were quite radical – he had a vision for the film, a very strong one, and the film was radical and the character was radical.
"We have got a very strong one-day and Twenty20 squad there but it's also got a mixture of some young players and we need some of these young players to get exposure to international cricket from them to grow properly," Flower said.
Given that it's an identity that 600 million people around the world already use, the push by Facebook into the publisher comment space is undoubtedly going to be a very, very strong one.
"I was surprised... they're very careful about the adjectives that they pick and that was a very, very strong one".
He has certainly gotten a few very strong ones, like a Washington Post poll on Tuesday that put him eight points ahead among likely voters in Virginia.
"The pressure is very, very strong," one of the bank's directors said.
