Treatment of the disease depends on its severity and duration. 这种病的治疗方法取决于病的严重程度和持续时间的长短。

+of The duration of the film is 110 minutes. 该影片的放映时间是110分钟。

for the duration of sth Passengers are requested not to smoke for the duration of the flight. 旅客在飞行期间不许吸烟。

in duration The solar eclipse was roughly two minutes in duration. 日食大概持续了两分钟时间。

We don’ t know how long the building work will last, but we’ ll be staying with friends for the duration. 我们不知道这项建筑工程要持续多久，但我们在施工期间将住在朋友家。