It is essential that effective actions should be taken to end for the situation.
对于这样的情形将有效的行动坚持到底是必要的。
It is essential that the vegetation of this area should be preserved.
保护这一地区的植被是很必要的。
It is essential that everything be decided in advance.
至关重要的是一切必须事先决定。
It is essential that there should be enough food and clothing for the winter.
冬天有足够的食物和衣服是重要的。
It is essential that we be on time.
我们要准时，这是很必要的。
It is essential that the ban be lifted.
解除禁令至关重要。
It is essential that he should be here by the weekend.
周末之前，他应该到这里是必要的。
It is essential that effective measures should be taken to correct the tendency.
关键的是，应该立即采取有效措施纠正这种倾向。
It is essential that he be prepared for this.
有必要让他对此有所准备。
It is essential that he should be prepared for this.
有必要使他对此有所准备。
It is essential that he should be prepared.
有必要使他有所准备。
Here, therefore, it was essential that land should be put under grass and corn cultivated.
因此，牧草栽培和谷物种植，在这里就成了必要条件。
It is essential that my judgment should be balanced and my brain clear.
我的判断必须全面，我的头脑必须清醒。
It is essential that these application forms be sent back as early as possible.
这些申请表应尽早地寄回，这是很重要的。
It is essential that a meeting be convened this week.
本周开一次会非常重要。
On the one hand, it is essential that laws and regulations should be worked out.
首先，我们必须制订一些法律和法规。
It is essential that effective measures be taken to protect our civil rights.
有必要采取有效的措施来保障我们的公民权利。
It is essential that effective actions should be taken to end the situation.
很重要的是，应采取有力措施来结束这一局面。
It is essential that he (should) be prepared for this.
他对此有所准备是很有必要的。
It is essential that effective measure be taken to...
针对…采取必要的措施是必要的。
It is essential that effective measure be taken to...
针对…采取必要的措施是必要的。
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