The disadvantages of technology

Disadvantages and advantages are coexisting. On the one hand, technological products have replaced a large number of human labor, accordingly they lay off the rising of unemployment rate and lead to social unrest. On the other hand, massive traditional air crafts, which were popular in the past, will vanish and a part of culture and will be gone with them too. In addition, the development of industry the environment is also facing great challenges, such as serious pollution and consumption of limited natural resources, etc. As a saying goes, every coins has two sides.

this is very well written!