Such as is similar to like for introducing examples, but it is more formal, and is used more in writing than like: She has worked in several countries where English is spoken as a first language, such as Australia, New Zealand, Canada and so on. (or, less formal, … like Australia, New Zealand, Canada and so on.)

Use such as to provide specific examples of something you’re talking about. If the specific examples aren’t essential to the accuracy of your sentence, then use a comma before such as and after your example, unless the example is at the very end of the sentence. Citrus fruits, such as oranges and grapefruits, are high in vitamin C.

Here’s a simple guide on how to use such as in a sentence: Identify the general statement: Start by recognizing the broad idea or statement you want to provide examples for. For example, “There are many fruits on the table.” Introduce examples: Use such as to introduce specific examples that illustrate or give more detail to the general statement.

By using "such as" in a sentence, you can provide specific instances that represent a group or concept. For example: "I enjoy various outdoor activities, such as hiking, cycling, and kayaking." "Many famous scientists, such as Albert Einstein and Marie Curie, have revolutionized their respective fields."

Use “ such as ” to “introduce an example or series of examples” or to specify a certain kind of item. For example: You will need all materials in advance, such as loose-leaf paper and pens. In situations such as this, we should always proceed with caution.