You can surely the

If it is, then you can easily send it back to the manufacturer, and they'll send you a brand-new one for free surely.

如果是的话，你完全可以把它寄回给制造商，他们肯定会免费寄给你一台全新的。

You may not be trying to be an Internet superstar, but surely you’re trying to be the best communicator you can be.

你也许从没想过成为互联网的超级明星，但是你得尽你所能的成为一个好的沟通对象。

When was the last time you laughed loudly? We can surely get inspiration from the baby from the way she laughs when she feels good. She laughs from heart.

你上一次哈哈大笑在什么时候呢？婴儿感到高兴时就笑；从这里我们应该可以获得一些灵感。她是发自内心地笑。