Các câu ví dụ cho từ beneficial

1. " The communique said the leaders of the United States, Canada, Britain, France, Italy, Germany and Japan agreed on the need for "free, fair, and mutually beneficial trade" and the importance of fighting protectionism.

2. In the field of smartphone games, mind puzzles retain their appeal because they are beneficial for our brains.

3. side's unilateral and open hyping up is inappropriate, and is not beneficial to the smooth resolution of this issue.