来自： https://mp.weixin.qq.com/s/FpybIYg_5ouw5_lerSIYJg

看下下面两个句子。有很多从句，
定语从句比较明显看的出来。
宾语从句或主语从句，不是很是明显。

Reports that the National People's Congress, China's top legislature, will make a decision allowing its standing committee to make legislation strengthening national security in the Hong Kong Special Administrative Region have been like a testing kit for an anti-Beijing virus.

这个太长了，一下子看不出来。
其实是这样的：

Reports  have been like a testing kit for an anti-Beijing virus.
reports 中间隔了很长。

Reports that the National People's Congress, China's top legislature, will make a decision allowing its standing committee to make legislation strengthening national security in the Hong Kong Special Administrative Region have been like a testing kit for an anti-Beijing virus.

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Should the legislation be forthcoming, it will not only provide the necessary legal guarantee for the State to exercise its power to protect national security should the need arise, but will also be conducive to guaranteeing the SAR government has the ability to safeguard public order by helping it close the loopholes in its legal system and end its law enforcement disadvantages, which will better realize its autonomy rather than limit it.

the SAR government has the ability to safeguard public order 是guaranteeing的宾语从句，是不是有点不好认出来。

Should the legislation be forthcoming
和
should the need arise 是虚拟语气， 
可以理解为 
if the legislation should be forthcoming
if the need should arise

Should the legislation be forthcoming, it will not only provide the necessary legal guarantee for the State to exercise its power to protect national security should the need arise, but will also be conducive to guaranteeing the SAR government has the ability to safeguard public order by helping it close the loopholes in its legal system and end its law enforcement disadvantages, which will better realize its autonomy rather than limit it.

关于长句分析，可以看看大块头名词>

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一些单词：
 have an axe to grind 别有用心的人
seemingly  表面上的
inflicted  造成
an inalienable part of China 不可分割的
the rise of secessionism 分裂主义
heir barefaced intervention 无耻的；赤裸裸的；公然；没带面具的
There is nothing untoward 意外的
a state of dormancy 休眠
frail  脆弱的
loopholes  漏洞
 be conducive to 有益于…的
 incubated from 孵化
 respond to the outcry of Hong Kong people  呐喊；怒吼
 has been severely harmed by the upheaval. 动荡
  only testifies to the pertinence of the decision 针对性；适当
 act as a deterrent 威慑 to expedite 加快 the restoration of public order.