Giving a person a choice is often a marketing masterstroke.是什么意思？

Giving a person a choice is often a marketing masterstroke.

给对方多一种选择通常是一种市场伎俩.

giving

n. 礼物，给予物；v. 给予，赠送( give的现在分词 )，（与名词连用描述某一动作，意义与该名词相应的动词相同），供给，交给；

例句
The US president risked giving the appearance that the US was taking sides.
美国总统冒险作出美国正在摆明立场的姿态。

person

n. 人，（语法）人称，身体，容

例句
A sick person needs absolute confidence and trust in a doctor.
病人需要对医生有绝对的信心和信任。

choice

n. 选择，选择权，精选品，入选者；adj. 上等的，精选的；

例句
He will have no choice but to ally himself with the new movement.
他除了与新运动结盟别无选择。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

marketing

n. 销售，经销，行销，商品销售业务，市场学，商品自生产者转移到消费者手中的一系列有关机能，〈集合词〉市场购买的货品，适合市场上销售的货品；vt. 出售，为出售提供；vi. 卖，买；

例句
Biggart Donald, the Glasgow-based marketing agency, has won two Edinburgh accounts.
比加特·唐纳德，这家驻格拉斯哥的营销代理公司已赢得了两个爱丁堡的客户。

masterstroke

n. 妙举，巧妙的动作；

例句
Graham pulled a masterstroke by playing Paul Merson in the centre of midfield.
格雷厄姆让保罗·默森打中场中路堪称神来之笔。