As we know that meta-description is one of the most important factor from Seo perspective. Sometime users have conflictions about is meta description will be shown in search engine completely or not..
In fact, the real truth is that Google is not bound for us or any third party company. Sometime you will be notice that your article first paragraph starting lines showing in meta description instead of provided meta description for that specific article! This means, you can only provide meta description but you can decide which one thing is suitable for search engine. Google will decide the best optimum result for their searching users and will show in search results. So don't be panic about that That is why we recommend use your target keyword in your first paragraphs to get rank your web pages with more convenient.
Hope that make sense.