The phrase "aim is mainly" is correct and usable in written English.
It can be used when discussing the primary focus or objective of a particular action or project.
Example: "The aim is mainly to improve customer satisfaction through better service."
Alternatives: "The primary aim is" or "The main goal is".
Their aim is mainly delay: they hope to get a final two-year stabilized lease before they face rent increases of $1,000 a month or more.
The aim is mainly focused on the static and dynamical responses of micro-scale beams under consideration in both prebuckling and postbuckling cases.
The aim is mainly to explore the representation and manipulation of product shapes in order to benefit designers to design shapes in the conceptual design phase.
Thus, their aim is mainly to reduce bitumen viscosity, which in turn improves mix workability, produces fewer emissions, and generally creates better working conditions.
The producers may add nice features (one of Wiko's latest models, called Highway Pure, for instance, is only 5.1 millimetres thick), but their aim is mainly to serve buyers who want to upgrade to a real smartphone, but cannot afford the latest Apple iPhone or Samsung Galaxy.
The aim was mainly to understand the joint structural response under cyclic loads, simulating the effects of seismic action.
This aim was mainly achieved by purchasing to intervention stores, setting production quotas, export refunds, import tariffs and subsidized consumption.
Our aim was mainly to elucidate its inhibitory effects on increased vascular permeability and increased leukocyte infiltration seen during acute inflammation.
Our aim was mainly to demonstrate that a combined approach using simulated and empirical data can provide some insights into the process of genetic admixture beyond the mere description of admixture patterns.
On one hand are pragmatist leaders whose aims are mainly nationalistic.
While initially their aims are mainly self-serving, the process of articulating who they are is important.
