帮忙翻译一下英语句子，谢谢。不要机器翻的。 1.scientists say that the

帮忙翻译一下英语句子，谢谢。不要机器翻的。 1.scientists say that the
帮忙翻译一下英语句子，谢谢。不要机器翻的。
1.scientists say that the none of the difference is really important.
2.It will always pay to plan what you
eat every day.
3.The first is to find some ways to feed the world”s population so that no one is hungry