Just watch out for free trials that require a credit card.
注意需要信用卡的免费尝试。
Offering no-hassle free trials was sufficient to remove the commitment risk.
提供不麻烦简单免费的使用可高效消除承诺风险。
Free trials are available and subscription costs for commercial use are competitively low.
免费试用是可用的和订阅有竞争力的低成本商业用途。
Offer free or limited-use trials.
提供免费试用或者确定免费试用期。
Offer free or limited-use trials.
提供免费试用或者确定免费试用期。
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