Translation machines are one of the greatest inventions. First, they are very helpful for travellers because travellers can quickly translate signs, menus, and directions. This makes getting around in new places easier. Second, they help people from different countries understand each other better. This means we can share ideas and work together more easily. Third, translation machines are great tools for learning new languages. You can use them to translate words and phrases, which helps you practise and improve your language skills. In conclusion, translation machines are an amazing invention that makes travelling, communicating and learning easier.

1. The boys said they were picking up litter on the beach then. 

2. Before Lucas arrives at the restaurant, we won’t order our meals.

1. During the flood , should listen to the instructions from local authorities .

2. Mars is one of the most promising planets for life in solar system .