The phrase "a way of sustaining" is correct and usable in written English.
It can be used when discussing methods or strategies for maintaining something over time, such as resources, practices, or relationships.
Example: "The organization has developed a way of sustaining its community outreach programs through consistent funding and volunteer support."
Alternatives: "a method for maintaining" or "a means of preserving".
These people found a way of sustaining an engagement.
"In the end," she writes, "money was not simply a way of sustaining herself, but a way of convincing the world that she mattered".
The finest Bruckner interpreters have a way of sustaining tension through a pause and presenting the new material as a kind of release.
As a way of sustaining the royal image, paintings were remarkably cheap by comparison with the other accoutrements of regal magnificence, such as jewellery, gold plate and tapestries.
Maybe so, but we should go easy on editors, who are groping in the dark, hoping to find a way of sustaining proper journalism.
Obviously it's costing the government a lot of money for a small project, but hopefully they will find a way of sustaining it.
In this line, it is anticipated that biodegradable polymer-based nanocarriers can provide a way of sustained, controlled, and targeted drug delivery to improve the therapeutic effects and reduce the side effects of the formulated drugs [ 1, 11, 12].
Even if a text tax raised far more, you might wonder whether a surcharge disproportionately hitting teenagers is a fair way of sustaining sufficient economic prosperity to keep Bob's drivers in inflation-busting pay rises.
Many of the accused contend that the SLA press-ganged them into service, or that its fat monthly paychecks were the only way of sustaining a family in the atrophied economy of occupation.
There was no way of sustaining that, so they embarked on a complete restructuring.
Although knowledge assets can be treated as unique and valuable resources on the way of sustaining competitive advantage (Barney 1991), knowledge itself is a static resource stock which needs to be transferred and spread throughout the organization to create value (Grant 1996, 1997; Spender, 1996; Teece et al. 1997; Teece 1998; Grant and Baden-Fuller 2004).
