Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
Take something by the best handle.
理解某事物,乘其好机会。
since her parents had impressed upon her that it would be unforgivable to miss it and cause the friends with whom she was going to stay to make two journeys to meet her.