International tax matters become more complex depending on the number of countries and tax systems you are involved with. Before starting any business or personal endeavor that will result in your having to pay taxes, it is a good idea to educate yourself on the various tax codes and obligations that may be involved. Check with the revenue offices of each country for information on their tax regulations. Like the American tax system, those of other countries are constantly changing, often producing a confusing and complex tax situation for individuals and businesses. Whether you are considering involvement in a foreign business or are having questions about current tax difficulties, it may be helpful to consult a tax specialist or attorney familiar with international tax matters. These professionals may also be able to help you find ways to save money in your foreign financial affairs.

　Translation:

International tax issues become more complex depending on the number of countries you deal with and the different tax systems you deal with. Before deciding to start a business or embark on a personal financial endeavor (which will of course involve paying taxes to the government), it is wise to understand the different tax codes and related obligations. (You need to) Understand information about tax regulations from tax authorities in various countries. The tax system in the United States, for example, often creates tax provisions that are confusing and complicated for individuals and business organizations (tax policies in other countries also change frequently). Whether you are considering starting a business abroad or have concerns about current tax difficulties, consulting with a tax expert or an international tax attorney can be helpful. These experts may help you save financial money on your foreign business.

1. endeavor vi (used with to) work hard, try our best

We must always endeavor to improve our work. We must always strive to improve our work.

Endeavor n effort, try your best

2. revenue n. income, national income, taxation