`1.` There is no difference in weight between these two boxers.

`+` difference in + (khía cạnh: chiều cao/cân nặng/...) between (`2` vật): sự khác nhau về (khía cạnh) giữa `2` vật

`@` Trans: There is no difference in weight between these two boxers.

`2.` He was said to be able to swim across the river.

`+` be able to V `=` can/could + V: có thể

`@` Trans: Người ta nói rằng anh ta có thể bơi qua sông.

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`1`. There is no difference in weight between these two boxes.

`-` sth and sth exactly the same `=` There is no difference between sth and sth: giống, không có điểm khác biệt.

`2`. He was said to be able to across the river.

`-` S + be + said + to V

`-` be able to V `=` can/could V: có thể làm gì