In this task, you are given a sentence in English and your task is to translate it into Spanish. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).

These two considerations are diametrically opposed to each other, and I really fail to grasp how such a proposal can end up on the table.
Las dos propuestas se oponen diametralmente y realmente no entiendo cómo ha salido a relucir semejante sugerencia.

A proposal can be made, a proposal should be made, on the basis of Article 280 of the Treaty, by the middle of this year.
Se puede presentar una propuesta y se debe presentar una propuesta, con base en el artículo 280 del Tratado, a mediados de este año.

And furthermore the Commissioner has not quoted from his bibliography this time.

Y además no le ha citado bibliografía el Sr. Comisario en este caso.