This is quite a complicated problem and one which is difficult to solve.
这是一个相当复杂的问题，这是一个难以解决的。
It gave me the courage and confidence, difficult problem is I want to solve them.
这给我的是勇敢，是信心，困难的问题我会想办法解决它们。
Food crisis will be difficult to solve on a worldwide basis and it takes time.
粮食危机要在世界范围得以解决是困难的，它需要一定的时间。中译英句子，3分。
Food crisis will be difficult to solve on a worldwide basis and it takes time.
粮食危机要在世界范围得以解决是困难的，它需要一定的时间。中译英句子，3分。
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