例句 1：The hotel charges $200 per night for a standard room.（ ）
例句 2：You need to charge your phone before we leave, or it will run out of power.（ ）
例句 1：The government will fine drivers who exceed the speed limit by more than 20km/h.（ ）
例句 2：The fabric has a fine pattern that is only visible under bright light.（ ）
例句 1：The report focuses on the key issues affecting urban development.（ ）
例句 2：The bank will issue a new type of credit card next month.（ ）
例句 1：Could you explain the main point of your argument again?（ ）
例句 2：She pointed out that the data in the report contained some errors.（ ）
例句 1：His proposal to reduce waste is economically sound and environmentally friendly.（ ）
例句 2：The sound of rain on the roof helped her fall asleep quickly.（ ）