[10] el de mejor calidad. VARIANT: El mejor. Note that el mejor represents the superlative degree of bueno.
[11] ni con mucho, not by a great deal.
[12] el dulce, jam; marmalade; and sweets in general. Note that the article is not omitted.
[13] el ... y las ... son muy apreciadas. Note the agreement of the participle with the nearest noun.
[14] los latinos. Note that the article is not omitted.
[15] En cuanto al, As for. VARIANTS: En lo que toca a; en lo que concierne a; en lo que respecta a; en punto a.
[16] hace unos veinte años. Note that hace is employed when referring to definite periods of time, while ha is used in referring to indefinite periods.
[17] tan general y completamente organizados. Note the omission of -mente from the first adverb in the series.
[18] el comercio y la industria ... organizados. Note the agreement of the adjective.
[19] resultando de ello, and (it is) as a result of this. Note that ello refers to the whole idea which precedes it. VARIANTS: De eso; de tal causa.