雅思写作高分精品词汇

确保：

Assure, ensure, guarantee, pledge

有害的：

Bad, baneful, evil, harmful, detrimental

要求：

Request, demand, needs

好处：

Advantage, benefit, merit, positive side, upside, boon, pros

弊端：

Disadvantage, defect, demerit, negative side, downside, flaw, drawback, cons

趋势：

Trend, tendency, inclination

压力：

Stress, pressure, strain

证据：

Evidence, proof

冲突：

Conflict, shock, tension

影响：

Influence, impact, pervade