First, he describes how to overcome the concern that a new product is prone to related to product malfunctions malfuncting or breaking. The sales people could can settle this issue by ensuring that the company stands behind the product (어색한 표현입니다). To be specific, they are able to can go over all detials details of warranty terms and emphasize what makes the warranty remarkable.
Second, he describes how to deal with concerns regarding the use of the products. overcome the worry that a news products seems complicated for people to use. If customers find it difficult to use the company's products, The solution for the worry is to the company can provide customers with an instructions and training. This makes customers to be more confidnet about using the product on their own. Also the sales people have to introduce many funcitons of each TV and answer all questions of customers. (have to - 해야한다 의미로 쓰이는 게 맥락상 안맞습니다 can으로 대체해주시거나, The sales people can answer any questions that customers have in this process 이런식으로 써주시는 게 더 좋을 것 같아요.)
These exmpales demonstarte how the a company can appraoch approach customers who have somes concerns about a their new product.
Comments: 강의에 대한 이해는 좋으나 전달면에서 조금 더 내용을 잘 정리해주시면 좋겠습니다. overcome the worry 표현은 자주 쓰이지 않는 조금 어색한 표현입니다. deal with the concern식의 표현을 대신 사용해주세요. 문법 실수가 있습니다.