These variations allow the family tree to be expressed clearly and unambiguously.

As for the vowels, Elamite had at least /a/, /i/, and /u/, and may also have had an /e/, which is, however, not generally expressed unambiguously.

And although agencies are generally entitled to deference in the interpretation of statutes that they administer, a reviewing "court, as well as the agency, must give effect to the unambiguously expressed intent of Congress."

For example, when reviewing challenges to administrative agencies' interpretations of laws they implement, we defer to the agencies unless their interpretation violates "the unambiguously expressed intent of Congress."

If the intent of Congress is clear, that is the end of the matter; for the court as well as the agency must give effect to the unambiguously expressed intent of Congress.

In SAE, this can only be expressed unambiguously by using adverbs such as usually.

The center has unambiguously expressed its intentions to allow a real democratization of power in the country, and there is now a chance to take advantage of these favorable tendencies.