HSK 5
由此
yóu cǐhereby; from this
由此可以看出方法有效。
Yóu cǐ kě yǐ kàn chū fāng fǎ yǒu xiào.
This shows that the method is effective.
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Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 5.