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①Recently , …has become the focus of the society .
②…has been playing an increasingly important role in our day-to-day life .
③Nowadays there is a growing concern for …
④Nowadays it is common to hear /see …
⑤…has become a common occurrence in our daily life .
⑥Nowadays more and more people are beginning to be aware of the seriousness of …
⑦It is only during the last /past few years that man has become generally aware that …
⑧There is an old / popular saying / proverb which says / goes …
⑨In recent years , there is a general tendency …
⑩Nowadays … has become a problem we have to face .
