Cách sử dụng
The word 'substandard' is used to describe something that is not of good quality or not up to the usual standards. For example, if a product is not made well and is not safe, it can be considered substandard. The word can also be used to describe a person's performance or work that is not up to expectations. It is important to use this word carefully and respectfully, as it can be seen as a criticism.