More Readingsource:n.something that provides something else 来源energy:n.the power a person needs to do something 精力;活力variety:n.different kinds of things 多种多样advise:v.to suggest;to recommend ... More Readingsource:n.something that provides something else 来源energy:n.the power a person needs to do something 精力;活力variety:n.different kinds of things 多种多样advise:v.to suggest;to recommend ...