The phrase "essentially entails" is correct and can be used in written English.
You can use it to indicate that something includes or involves something else, or means the same as something else. For example: "Understanding the complexities of the legal system essentially entails a thorough study of laws and regulations."
What it essentially entails is inserting virtual, CGI products and logos into content after it has been filmed.
So I go all in, which essentially entails making a custard, letting it rest in an ice bath, stirring vigorously, straining and waiting.
Surfing essentially entails lying on your board, facing the beach, waiting until the wave is around a metre behind you and then paddling like mad in the hope that your board catches it.
However, this equilibrium essentially entails a prisoner's dilemma, in which the two firms earn lower profits compared to a situation in which the owners instruct their managers only to maximize firm profits.
After they – and the ruling SCAF – distracted us, revolutionaries in Tahrir and across Egypt are putting us back on track: toppling the regime and cleansing the political arena off the regime's corrupt remnants, which essentially entails ending SCAF's rule.
The investment of several billion dollars a year is modest when one considers that a proposed expansion of Chicago's O'Hare Airport alone is slated to cost $6 billion, or that $8.5 billion in federal money has been sunk into Boston's "Big Dig" -- a project that essentially entails moving roads underground.
But if banks do not voluntarily agree to write down more debt, losses may have to be forced on them, an action that would essentially entail a Greek default.
Descartes' particular misstep here is to suggest that we may move from the definition of God (which we intuit as a clear and distinct notion) as essentially entailing the property of existence, to the view that there is such a thing as God with said property.
Another explanation might essentially entail breast size as a confounder, i.e. background correlation between larger number of excised cores and larger breast size.
Essentially, it entails insurance companies taking out their own insurance to protect themselves when they are hit by an unexpectedly high claim, "like when somebody needs a heart transplant or a liver transplant or something else where costs are over, say, $100,000," said Brad Herring, a health economist at the Bloomberg School of Public Health at Johns Hopkins University.
Dubbed Dragon Kill Points, or DKP – the key task that necessitated devising the system was killing two very tough dragons – essentially it entailed introducing a private and self-regulated currency between collaborating players.
