The company has come a long way in the last 5 years.
公司在過去的5年里取得了許多進步。
I used a long exposure for this one.
我這張照片用的曝光時間長。
It's a long time since they left.
他們已經離開很久了。
How long have you been in your present job?
你干現在這工作多長時間了？
How long have you been living in this country?
你在這個國家居住多久啦？