The phrase "an unavoidable step" is correct and usable in written English.
It can be used when referring to a necessary action or decision that must be taken in a process or situation.
Example: "In order to achieve our goals, implementing this new policy is an unavoidable step."
Alternatives: "a necessary step" or "an essential step".
Analysis of Initial situation becomes an unavoidable step when facing with complex engineering situations.
Among West German economists, the notion of moving toward economic union was increasingly seen as an unavoidable step.
Foreign Minister Kiichi Aichi of Japan said regarded the military intervention in Carri bodia as an "unavoidable step" under present circumstances.
Perhaps, for example, their destroying our happiness is an unavoidable step in the moral drama leading to their salvation and eternal happiness.
On the other hand, landfilling is an unavoidable step in closing the material cycle, since final residues, although minimized, need to be safely disposed of and confined.
A deep understanding of the aerodynamics effects of sand barrier on the flow is an unavoidable step to achieve these objectives.
Pretreatment of lignocellulosic biomass is considered an unavoidable first step in enzyme-based saccharification schemes, but its necessity in any proposed anaerobic fungi-based schemes is still unclear.
Transparency of, and access to, all the raw data obtained by companies and accepted by regulatory agencies (overall blood analyses of rats) as proof of safety for products, is an unavoidable first step to move forward in this debate.
An unavoidable first step in the study of quantum groups (U_q(mathfrak {g})) is the description of the PBW-basis (alluding to the Poincaré Birkhoff Witt theorem), obtained for type A in [33, 74, 87] and for general (mathfrak {g}) in [65, 66].
Count the steps, the unavoidable steps, up and down to so many local rail stations.
But it is an unavoidable and welcome first step.
