什么是 purchase?To obtain in exchange for money or its equivalent; buy.To acquire by effort; earn.To move or hold with a mechanical device, such as a lever or wrench.The act or an instance of buying.Something bought.Acquisition through the payment of money or its equivalent.A grip applied manually or mechanically to move something or prevent it from slipping.A device, such as a tackle or lever, used to obtain mechanical advantage.A position, as of a lever or one's feet, affording means to move or secure a weight.A means of increasing power or influence.An advantage that is used in exerting one's power.