57. We are delighted to announce this remarkable advance in the treatment of mental health disorders. 57.メンタルヘルス障害の治療におけるこの驚くべき進歩を発表できることをうれしく思います。 58. It's amazing that she could remain so calm af…

50. To calculate expenditures we must determine approximately how many guests the hotel can accommodate. 50.支出を計算するには、ホテルが宿泊できるゲストのおよその人数を決定する必要があります。 51. He swore to cherish his wife, but before l…