Do I have to add that not every country can have an export surplus?
我是否需要补充说明，并非每个国家都能实现贸易顺差？
Generate its own electricity on site, and export any surplus electricity back to the grid.
l自主发电并将多余的电力传送回输电网。
Generate its own electricity on site, and export any surplus electricity back to the grid.
l自主发电并将多余的电力传送回输电网。
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