to increase sth in strength, number or value 增强（实力）；增加（数量或价值）◆The company aims to boost earnings by 18%. 公司的目标是增加 18% 的收益。◆Sales are being boosted by consumers' growing confidence in Internet shopping. 消费者网上购物信心的增加促使销售额激增。
to take actions that will make an economy stronger and encourage business activity 推进；推动◆Low interest rates are finally boosting the economy. 低利率最终推动了经济增长。