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3.預示后果
Obviously， if we don’t control the problem， the chances are that… will lead us in danger.
很明顯，如果我們不能控制這一問題，很有可能我們會陷入危險.
No doubt， unless we take effective measures， it is very likely that…
毫無疑問，除非我們采取有效措施，很可能會…
It is urgent that immediate measures should be taken to stop the situation.
很緊迫的是，應立即采取措施阻止這一事態(tài)的發(fā)展.
論證部分
From my point of view， it is more reasonable to support the first opinion rather than the second.
在我看來，支持第一種觀點比支持第二種觀點更有道理.
I cannot entirely agree with the idea that… 我無法完全同意這一觀點….
Personally， I am standing on the side of …就個人而言，我站在…的一邊.
I sincerely believe that… 我真誠地相信…
In my opinion， it is more advisable to do … than to do….
在我個人看來，做…比做…更明智。
Finally， to speak frankly， there is also a more practical reason why…
坦誠地說，最后，還有一個較為實際的原因。
4.給出原因
This phenomenon exists for a number of reasons. First， … Second， … Third， …
這一現象的存在是有許多原因的.首先， … 第二， … 第三， …
Why did… ? For one thing… For another…. Perhaps the primary reason is…
為什么會…? 一個原因是… 令一個原因是…或許其主要原因是…
I quite agree with the statement that… the reasons are chiefly as follows.
我十分贊同這一論述，即…，其主要原因如下。
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