The phrase "alone indicates" is correct and usable in written English.
It can be used to express that something by itself is sufficient to show or demonstrate a particular point or conclusion.
Example: "The data alone indicates a significant increase in sales over the past year."
Alternatives: "by itself suggests" or "on its own shows".
I'm not sure that that alone indicates the Beatles' obsolescence.
The name alone indicates the herculean task it faces.
In a nation where roughly seven per cent of the population have served in the military, this number alone indicates disproportionate representation.
Within the surface-coatings industry, the name polyester, when used alone, indicates a polyester free of natural-oil modifiers.
Williams, a genuine authority, believes the number of black starters, alone, indicates that the N.F.L. has reached the point where "nobody is going to pass up a guy who can play" based on skin color.
In a nation where a blend of race and ethnicity are more and more the norm, the labeling struggle is an effort to note that Mr. Zimmerman shares in that mixture more than his name alone indicates.
Therefore, the political punch of action will be greater than the ballot results alone indicate.
The numbers alone indicate how out of touch the party is, said Philip Cowley, the deputy director of the Center for Legislative Studies at the University of Hull.
VGC alone indicated that optimised protocols had similar image quality as current protocols.
The results indicated that the nanocomposites had a higher catalytic activity than the Au NPs or graphene alone, indicating the synergistic effect of graphene and Au NPs.
Examination of vapour pressures alone indicated that potentially the first 7 of the target pesticides listed (camphor – HCH) could be trapped onto Tenax from the vapour phase.
