The first instance is the service or software that offers a free trial and then converts users into paying customers.
实例之一是服务或软件首先提供免费试用,然后将免费用户转化为支付费用的顾客。
The first instance is the service or software that offers a free trial and then converts users into paying customers.
实例之一是服务或软件首先提供免费试用,然后将免费用户转化为支付费用的顾客。
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