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.
PM stands for Post Meridiem (after midday in Latin). Most Spanish speakers do not use AM or PM.. To specify the period of the day you should add de la manana (maÃ±ana in the), morning de la (tarde in the), afternoon or de la (noche in the): Evening es la una de la. manana maÃ±ana