重点讲解：
1. depend on 依靠；依赖；
Many farmers have to depend on subsidies to make a living wage.
许多农民的基本生活工资要靠补贴来维持-Be7X)Bh9nS*S。
2. as long as 只要；
There will be no further costs as long as the bank is part of the giro network.
只要该银行属于直接转账系统，就不会额外收取费用@!l=tpJ-YiGJOMX2。
3. seek out 寻找到；找出；
Children seek out regularities and rules in acquiring language.
儿童在学习语言过程中会找出各种规律和规则x)W(RI@HSt2。
4. do one's part 尽本份，尽职责，尽力；
If everyone do his part, the project will surely is a success.
如果大家都尽责，这个项目肯定会成功JXyTztc3tPh。