The phrase "and therefore maintain" is correct and usable in written English.
It can be used to indicate a conclusion or result that follows logically from a previous statement, often in formal or academic writing.
Example: "The data shows a significant increase in productivity, and therefore maintain that our new strategy is effective."
Alternatives: "and thus uphold" or "and consequently support".
Sigur Ros will record the album on its own new label, Krunk, and therefore maintain control of what happens to it.
As consumers, we continue to depend on oil in various ways and therefore maintain the oil-hungry system that makes oil companies drill in deep water and undertake other risky activities.
"Kaupthing Iceland had insufficient liquidity to make loans in 2008 and so began to devise ways in which it could generate sufficient liquidity to make the loans to finance the purchase of its own shares and therefore maintain its share price," the letter said.
The reasoner can recognize which concepts fit under which definitions and, therefore, maintain the hierarchy correctly.
Platform switching was introduced to reduce marginal bone loss and therefore maintain the gingival architecture, leading to a more favorable esthetic result.
For example, small firms may tend to be in smaller communities with fewer alternative job options and therefore maintain low wages.
The brief against Pius XII goes as follows: He had a soft spot for Hitler and therefore maintained diplomatic relations with the Nazis throughout the war.
Fowler said that real-time analysis "not only helps them understand ever-changing demand, but [companies] can now significantly reduce wastage by making less mistakes in pricing and assortment, and therefore maintaining and accelerating their growth and overseas expansion".
Growth-related increases in cortical cross-sectional geometry and longitudinal bone curvature had counteracting effects on induced bone stresses and, therefore, maintained tibial stiffness similarly with growth.
Leaves are the main site of Na+ toxicity for most plants (Munns and Tester 2008), and therefore maintaining high K+/Na+ ratio in leaves is essential for plant salt tolerance (Chinnusamy et al. 2005; Munns et al. 2012).
Second, different services (e.g., voice or video streaming) have different quality of service (QoS) requirements and therefore maintaining a minimum (link specific) SINR target for any link is desirable.
