The phrase "a substantial speech of" is correct and usable in written English.
It can be used when referring to a speech that is significant or important in content or length, often in formal contexts.
Example: "The senator delivered a substantial speech of great importance during the conference, addressing key issues facing the nation."
Alternatives: "a significant speech of" or "an important speech of".
"It's a substantial speech designed to strengthen the hand of the reformers by giving them something concrete in the form of sanctions modification," said a senior administration official who has read Dr. Albright's speech.
Without further ado, here were the most memorable (to us -- bearing in mind it is hard to choose just seven from such a substantial speech) moments from the last Obama State Of The Union speech.
The federal appeals court overturned that ruling, saying the policy was far broader because it prohibited "a substantial amount of speech that would not constitute actionable harassment under either federal or state law".
However, it was computationally cumbersome and required a substantial amount of speech from each speaker in order to estimate the best warp factor.
Grimm et al. [ 13] detected substantial speech development disorders in 10% of children between the ages of 4 and 5 in Bielefeld, Germany, and suspected speech development disorders in 20%.
Though careful to acknowledge inequality in the US, the president devoted a substantial part of his speech to a lecture on the importance of empowering women in society and addressed a recent spate of sexual attacks in the emerging south Asian power.
The court has forced a substantial amount of political speech underground, as contributors and candidates devise ever more elaborate methods of avoiding contribution limits, limits which take no account of rising campaign costs.
In a dissenting opinion today, Justice Anthony M. Kennedy declared that "Buckley has not worked," having "created a misshapen system" that has "forced a substantial amount of political speech underground".
Key reference First would-be candidate to dedicate a substantial portion of his speech to foreign policy; this is not to say he had any foreign policy ideas beyond, you know, "Leadership" and not "letting other countries walk all over us".
To that end, it was interesting that a substantial part of his speech was a rebuff to Labour's attacks last week.
