The phrase "alone illustrates" is correct and usable in written English.
It can be used to emphasize that something by itself is sufficient to demonstrate or explain a point.
Example: "The data alone illustrates the significant impact of climate change on global temperatures."
Alternatives: "by itself demonstrates" or "solely shows".
Scientifically, curators add, the newer show, "The Search for Life: Are We Alone?" illustrates the most recent understanding of the panorama of the faraway night: the planets of the solar system, the stars and galaxies beyond, the new-found planets of other stars and the informed speculation on prospects for life elsewhere in the universe.
This change in titles alone illustrates clearly enough a transformation from sex-negative to healthy sex-positive thinking.
Los Angeles attorney Dan Marmalefsky, Wiener's co-lead counsel, said that document alone illustrates the spurious nature of the FBI investigation of Lennon.
The establishment of 1 900 counseling services alone illustrates a long but ongoing commitment to its use within psychotherapy service provision.
The fact that as much as 60% of all new HIV infections are today occurring in HIV serodiscordant couples alone illustrates the folly of relying on a predominantly abstinence-based strategy as a basis for prevention.
Group I alone illustrates how both species-specific duplication in dog and loss in rodents can account for the higher number of genes seen in dog C2H2-ZNF clusters as compared to rodents.
A picture book is a fiendishly difficult thing to write (let alone illustrate).
These two examples alone illustrate the importance of multistability control in applied nonlinear science.
This pattern would not have been detected by an examination of main effects alone, illustrating the need to move toward more complicated interactive models in the study of psychological factors and weight.
These two examples alone illustrate the fluid positioning of Asian Americans in the racial dialogue.
Aside from the fact that few who have interacted with either company would call them "transparent and trustworthy," both companies' troubles in China alone illustrate the pitfalls in taking a company's stated mission and elegant offering on face value.
