seo 免费

miǎn fèi free (of charge)

自学

zì xué self-study; to study on one's own

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

网站

wǎng zhàn website; network station; node

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