1.single figure(s) 个位数 加不加s?2.effort effert 分别?3.Except in sectors such as banks,supermarkets,cent money is much less frequently used now.4.exchange /change 分别?

1.single figure(s) 个位数 加不加s?2.effort effert 分别?3.Except in sectors such as banks,supermarkets,cent money is much less frequently used now.4.exchange /change 分别?
1.single figure(s) 个位数 加不加s?
2.effort effert 分别?
3.Except in sectors such as banks,supermarkets,cent money is much less frequently used now.
4.exchange /change 分别?

1.single figure(s) 个位数 加不加s?2.effort effert 分别?3.Except in sectors such as banks,supermarkets,cent money is much less frequently used now.4.exchange /change 分别?
1不加
2一个为努力 一个为影响
3除了在银行和超市里分币都很少使用
4第一个为交换 第二个为变换

1.不加
2.effort是努力 多用 make effort to do
effect是影响 多用 have effect in/on
3.除了银行,超市等行业,分币现在很少使用了
4.exchange是交换 exchange sth with sth
change是变换 change into