All students learn to link ideas using words like "however", "furthermore" etc. Most students don't realise that the word "this" is also a linking word. Look at the following examples:
- Nowadays, people can use the Internet, fax and mobile phones to work from home. In this way, people who do not have access to transport can find employment.
- Most products are built to last only a short time, and this creates a "throw-away" culture.
- A global economy means free trade between countries. This can strengthen political relationships.
The word "this" refers to the sentence or idea that came before. "This" helps you to link ideas and avoid repetition. Native speakers and good writers use "this" a lot, and the IELTS examiner will be impressed if you can use it.