"must strive for" is a perfectly valid and usable phrase in written English.
It can be used to express the idea that someone should make an effort to achieve something. For example, "We must all strive for a better future."
"To satisfy the reader," he says, "we must strive for that 'suspension of disbelief'.
Finally, to the extent possible, CEOs must strive for consistency in their messages.
If we want our economy not to be merely resilient, but to flourish, we must strive for antifragility.
Cable argues that Britain must strive for "multiple identity, not multiculturalism", and that is, I think, right.
But he added that it must strive for a "strategic partnership" with the cabinet, while also maintaining price stability.
We must strive for improvement, but let's remember that the care in this country is still second to none.
Brazil needs more than $10 billion a year to service its debt and must strive for a whopping trade surplus.
He stressed that architecture must strive for an appropriate relationship between form and function, which he called convenance.
Kohut said that the new ideal in science "can be condensed into a single evocative phrase: we must strive not only for scientific empathy but also for an empathic science". From the very beginning of the scientific tradition in the sixteenth century, not everyone agreed with the notion that the secrets of nature had to be pried loose from a reluctant source.
This means we must strive above all for legitimacy in what we do.
Especially during this economic downturn, the Government of Senegal and its partners must strive to achieve education for all, better health and nutrition for every child.
