4. 做出保证Assurance
I can assure you, service on items we sell won't be a problem./我敢向您 保证，我们的售后服务绝对没问题。
I can reassure you that I share the same ideals as your company./我能向 您保证，我与贵公司拥有同样的价值理念。
The government has promised a full investigation into the disaster./政府 已承诺对这次灾难进行全面调查。
We are committed to making our customers happy, no matter what it
takes./我们保证让我们的顾客高兴，不管代价是什么。
