So, I wanted to ask what method of payment you prefer...

我是想问问 你想要哪一种付款方式。

And when we're talking about a method of payment, we say by.

当我们谈到一种支付方式时，我们会用 by。

And he decided, upon reflection, that his method of payment would be an intervention in the cycle of vengeance between the Muslim and Western worlds.

经过深思熟虑，他决定他的付出方式是介入穆斯林和西方之间复仇的怪圈。

In fact, people used salt as a method of payment in many parts of the ancient world. The word " salary" comes from the word " salt."

事实上，在古代世界的很多地方，人们使用盐来作为支付手段，salary(工资)这个词就来自salt(盐)。

As trade became more common as a result of people's interdependence upon one another, it was necessary to develop or invent a more convenient method of payment.

由于人们相互依赖， 贸易变得越来越普遍，因此有必要开发或发明一种更方便的支付方式。

As a result of the scarcity of hard currency in some nations and the recent high world-wide inflation, it's obvious that the conventional method of payment in hard currency must be supplemented by other types of payment such as bartering.

由于某些国家的硬通货稀缺和最近全球通货膨胀率高，很明显，传统的硬通货支付方式必须辅之以其他类型的支付方式， 例如以物易物。