Heavy science namely be particular about nutrition.

重科学即讲求营养。

He is a very open-minded man, and won't be particular about these trifles.

他是个通脱的人， 不会计较这些小事的。

People nowadays seem not to be particular about the rules of ordering dishes.

现在的人似乎不讲究点菜的规矩了。

Make yourself at home. People nowadays seem not to be particular about the rules of ordering dishes.

别客气。现在的人似乎不讲究点菜的规矩了。

Space —, function of sitting room space should be particular about differentiates harmonious and reasonable, unified, transfer alleviation.

空间———客厅空间功能应讲求划分合理、协调统一、过渡缓和。