The part of the sentence "it not only needs" is correct and usable in written English.
You can use it to indicate that something requires more than one action or component to be successful. For example: "This recipe is not only delicious, it not only needs a few simple ingredients, but it is also very easy to make."
In many ways the Conservative strategy makes sense - the party wants an overall majority in the next parliament, which means it not only needs to hold onto all its present seats but also win some new ones.
"In my view it's essential that for the structural integrity of the building to be maintained, it not only needs to be repaired but the whole of the remaining structure needs to be thoroughly checked and inspected before anyone re-enters the chamber".
It not only needs the outer iteration in the subproblem but also the inner iterations for the nonlocal Laplacian operator.
It not only needs to scale at launch, it needs to flex for those unexpected spikes in demand," he says.
If a startup chooses to take venture capital, it not only needs to build a real business, but one that will be valued in the billions.
However, the data communication of the parallel PHD filter is significantly larger than that of our method because it not only needs to broadcast all particles from the CU to all PEs and collect all the updated particles back to the CU but also broadcasts one measurement to one PE at each iteration, all of which cause significant communication overhead.
JetBlue, with all the planes it is buying, not only needs to raise fares but also must find new markets it can serve profitably.
And while the city's bankruptcy now threatens it, the Central Falls experiment not only needs to be preserved, it should be replicated across the country.
Stress treatment has a decisive role in microspore embryogenesis because it is not only needed for switching the dedifferentiation of microspores, but it also conditions the following response to microspore embryogenesis.
Therefore, when design the PDC bit for hardness-alternating formation, it is not only need to improve the rock-breaking efficiency, but also should reduce the impact load on single cutter, improve the working stability, and prevent bit balling simultaneously.
The values, morals and strength that it represents are something that America not only needs but is desperately looking for.
