The concept of sustainable development can be interpreted in many different ways, but at its core is an approach to development that looks to balance different, and often competing, needs against an awareness of the environmental, social and economic limitations we face as a society.
Fue vs Era. â¢ Era and fue are past tenses of the action verb ser in Spanish language, but whereas fue is preterite, era is imperfect past tense of ser. â¢ Era is to be used when one is talking about things that happened in the past in general, and there is no specific beginning or ending.
1 Que quÃ© means.. 2  What pasa is the third person singular conjugated form of the verb, pasar meaning to pass or to.. 3  Go note that the third person conjugation refers to an inanimate it rather than the polite you, form..  usted Se is a direct object pronoun. 2  It can be used for the third person him or her, or it can be used for the polite form of you.. 3  Siente is the third person singular conjugation of the verb sentir, meaning to feel.. 4  Pronounce this question as koh-moh say see-en-tay.