Whatever system you use, unless you've done a coupon promotion and can simply count the number of coupons redeemed, tracking is the only way you can assess how effectively your advertising is working.
无论使用何种系统，除非您已经做了优惠券促销并可以计算出优惠券的数量，跟踪是评估广告有效性的唯一办法。
Whatever system you use, unless you've done a coupon promotion and can simply count the number of coupons redeemed, tracking is the only way you can assess how effectively your advertising is working.
无论使用何种系统，除非您已经做了优惠券促销并可以计算出优惠券的数量，跟踪是评估广告有效性的唯一办法。
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