The phrase "approach is sufficient" is correct and usable in written English.
It can be used to indicate that a particular method or strategy is adequate for a given situation or task.
Example: "After reviewing the project requirements, I believe our current approach is sufficient to meet the client's needs."
Alternatives: "method is adequate" or "strategy is enough".
Joel Dickson, a tax expert at the Vanguard Group, said that investors either "have their accountant doing it for them or they find that the average-cost approach is sufficient".
This approach is sufficient if we want to reduce complexity.
For the case of across-track position, a conventional Kalman filter approach is sufficient to achieve a reliable estimate.
In the majority of VASC cases, further endovascular or surgical treatment is unnecessary, and a watchful conservative approach is sufficient.
Field also gives an elegant semantics that utilizes a variation on constructions due to Kripke (1975) and Brady (1989); however, the 'worlds' approach is sufficient for present purposes.
Whether either approach is sufficient, given the apparent depth and force of our common intuitions about the requirements of justice, is a matter of ongoing debate.
When the Greens tried to introduce a bill to establish a federal commission against corruption in 2014, Coalition senators argued the current multi-agency approach was sufficient to fight corruption while Labor senators argued that it was "premature".
Moreover, a conservative, reversible, low-cost and low-tech approach was sufficient for controlling the TMD pain as has been shown previously [3].
The titers obtained with this approach were sufficient for further selection rounds (data not shown).
This qualitative approach was sufficient for making quick decisions about which fractions from one step of enzyme purification could be collected and used for a following step.
