21.  Comparing to each other, gathering was a more steady way to support a tribe than hunting.

22.  They mainly support their tribes by agriculture.

23.  Men worked outside and earned money to support their families, while women stayed at home to do housework and take care of children.

24.  I support the opinion that we should go cycling as much as possible.

25.  Then I'd like to come to the technical support that is significant to the project.

26.  What's more, the vision must fully support our global ambitions, so that our company can become the largest and the best brush maker in the world before 2050.

27.  In addition, this action can return to support us to explore the new markets.

28.  As we all know, Yangzhou Jianghai Stationery Co. , Ltd. has been developing rapidly with the precious help and support from plenty of friends since its establishment.

29.  Many people support that courting in universities may have a bad effect on our studies, because it may occupy too much time and energy.

30.  When some people object to fall in love, others support it.