Many people believe that we have developed into a "throw-away society"
While there are both benefits and drawbacks to a multicultural society, it is safe to say that the pros
outweigh the cons. (while 引导状语从句，that 引导宾语从句)
Traditionally the approach has been to punish criminals by placing them in prisons to pay for what
they have done. (what 引导宾语从旬，作为介词 for 的宾语)
状语从句
if 引导的条件状语从句
If a student wants to learn about job-specific information, they do not need to sit in a classroom to get it. (有时可用 when; once 代替)
If a person loses a job but can get assistance, or a minority still has an equal opportunity of success, then we can say this country is advanced.
Many medications and procedures currently in use would not exist if animal testing was banned. (当表示可能性很小或想象中的事情时，用虚拟语气)
while 引导的让步状语从句
While people traditionally prioritise caring, sharing and generosity in life and work, modern people seem to be more self-absorbing and self-concemed.
While the economic development has made our life more comfortable, it has also polarised the society in the distribution of wealth.
While traditional buildings might look nice from the outside, they are often not very user-friendly (有时可用 although 代替)
定语从句
who引导，修饰 “人”
Those who... ，…的人……，
Students who... ,…的学生...
Children who... …的孩子….
Those who feel that sports stars' salaries are iustified might argue that the number of professionals with real talent are very few.
Students without teachers will surely be lost; but students who simply rely on teachers for knowledge are not really learning.
Children who enter school at an early age are generally more confident and independent than children who stay at home with their parents.
that引导,修饰“物”
Likewise, economics is a fundamental discipline that allows societies to be stable and move forward.
The workload that could take months to finish by manual labor could be done flawlessly by robots in
nunutes.
How to handle criminals is a problem (that) all countries and soCieties face. (that 在定语从句中作宾语可省)
Advertisement is an effective marketing tool (that) almost every company uses. (同上)
逗号+ which 引导
If fuel prices go up, either fewer people will drive or people will drive less, which makes sense for reducing pollution.
Demand for various commodities creates a huge market for the local and intemational businesses, which in turn increases demand for the labour market.
Govemments should develop and launch a good traffic control system,which can monitor and facilitate traffic flows on major roads for better and safer road usage, reducing the chances of accidents.
