Cutting public sector waste now, is an essential precursor to sustainable future growth.
It was presented by the Enough Project as an essential precursor to preventing conflict and sexual violence in the DRC.
Perhaps the key ethical principle of British environmental literature has been that making us see differently is an essential precursor to making us act differently.
While tax cuts would be welcome for business, entrepreneurs and employees across the country, restricting spending is an essential precursor to any significant action on tax.
While many on the left felt that this was a premature obituary, several commentators on the right saw the demise of the peasantry as an essential precursor to prosperity.
The loquacious monsters of his fiction remain vivid and indispensable voices in the raucous polyphony of a new age, an essential precursor to the breakthroughs of the imminent new century.
Singing traditional lullabies and nursery rhymes to babies and infants before they learn to speak, is "an essential precursor to later educational success and emotional wellbeing", argues Blythe in a book.
Babble is increasingly being understood as an essential precursor to speech, and as a key predictor of both cognitive and social emotional development.
It is only in the last 10 years that such courses have been set up at other universities, but the developments at Edinburgh, driven by Rushbrook's relentless scrutiny, proved to be an essential precursor to these academic developments.
Yet the escape of much of Europe from the dead hand of a corrupt and backward-looking Catholic church was surely an essential precursor of the continent's success over the next 300 years.
The downside is that getting a new design licensed by the Nuclear Regulatory Commission, an essential precursor for sales in the United States, could cost as much as $1 billion.
