This article analyzes the increasing trends of domestic propylene demand from 1983 to 1997 and forecasts domestic propylene demand in future several years by 5 methods.

分析了我国1983 - 1997年丙烯需求的增长趋势，用5种方法对我国未来几年的丙烯需求进行了预测。

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But many Marine experts have been saying for several years that we need to start loving jellyfish - because in the not too distant future, they may be the most plentiful Marine species around.

但是，多年来，许多海洋专家一直在说，我们需要开始热爱水母——因为在不远的将来，它们也许是我们周围最丰富的海洋物种。

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This article has analyzed employment tendency for computer talents in the future several years, put forward some proposals on teaching reform of computer science.

本文分析了未来几年人才市场上计算机专业的就业趋势，并就计算机专业的教学改革提出了建议。

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South African rugby, which has been stricken by race rows in the past several years, faces a difficult future.

CNN: Coach White will quit South Africa

's chief executive said last week that he expects to add new barrels of oil to its reserves from "several major deep-water projects" in future years.

WSJ: Exxon Struggles to Find Oil

And we, yesterday, had at the State Department with Secretary Clinton an extremely fruitful meeting of the groups of Afghan ministries and their counterparts in the U.S. government, outlining the progress we have made in the past several years and our aspirations for the future and our common objectives towards the future as we travel along.

WHITEHOUSE: President Obama and President Karzai Press Availability