/hedʒ/
A hedge is a row of bushes or small trees, usually along the edge of a lawn, garden, field, or road. 树篱
~ against stha way of protecting yourself against the loss of sth, especially money 防止损失（尤指金钱）的手段
to buy gold as a hedge against inflation
购买黄金以抵消通货膨胀造成的损失
防护物;防备手段;防范措施；Something that is a hedge against something unpleasant will protect you from its effects. [N against n]
Gold is traditionally a hedge against inflation.
购买黄金是防范通货膨胀的一种传统手段。
verb
hedge agaist:
to do sth to protect yourself against problems, especially against losing money 采取保护措施（尤指为避免损失金钱）
a way of hedging against currency risks
避免货币风险的保值措施