The cheaper drugs are just as effective in treating arthritis.
较便宜的药品对治疗关节炎同样有效。
Training is often much less effective than expected.
训练的效果往往远低于预期。
the most effective ways of reducing inner city congestion
减少旧城区交通拥挤最有效的办法
adv. effectively、 effectually
vt. effect