DWC-09_by means of...

1. 我们可以用新科技，来提高工作效率。
   Wǒmen kěyǐ yòng xīnkē jì, lái tígāo gōngzuò xiàolǜ.
   We can use new technology to improve work efficiency.
   
   
2. 我们可以通过新科技，来提高工作效率。
   Wǒmen kěyǐ tōngguò xīnkē jì, lái tígāo gōngzuò xiàolǜ.
   We can improve work efficiency through new technology.
   
   
3. 我们可以通过人工智能，来提高工作效率。
   Wǒmen kěyǐ tōngguò réngōng zhìnéng, lái tígāo gōngzuò xiàolǜ.
   We can improve work efficiency through artificial intelligence.
   
   
4. 他们必须通过合法的途径，来申请签证。
   (通过...途径 tōngguò...tújìng)
   Tāmen bìxū tōngguò héfǎ de tújìng, lái shēnqǐng qiānzhèng.
   They must apply for visas through legal channels.
   
   
5. 他们通过非法的途径，进入美国。
   (来 is optional when the phrase is short and the context is very clear.)
   Tāmen tōngguò fēifǎ de tújìng, jìnrù Měiguó.
   They entered the United States through illegal means.
   
   
6. 两国希望通过外交的途径，来解决冲突。
   Liǎngguó xīwàng tōngguò wàijiāo de tújìng, lái jiějué chōngtū.
   The two countries hope to resolve the conflict through diplomatic means.
   
   
7. 习近平表示，希望通过和平的方式，来统一台湾。
   (通过...方式 tōngguò...fāngshì)
   Xí Jìnpíng biǎoshì, xīwàng tōngguò hépíng de fāngshì, lái tǒngyī Táiwān.
   Xi Jinping stated that he hopes to unify Taiwan through peaceful means.
   
   
8. 习近平也可能通过武力的方式，来统一台湾。
   Xí Jìnpíng yě kěnéng tōngguò wǔlì de fāngshì, lái tǒngyī Táiwān.
   Xi Jinping might also use military force to unify Taiwan.
   
   
9. 美国反对中国用武力的方式，来处理两岸问题。
   Měiguó fǎnduì Zhōngguó yòng wǔlì de fāngshì, lái chǔlǐ Liǎng'àn wèntí.
   The United States opposes China handling the cross-strait issues by military means.
   
   
10. 美国反对中国通过武力的方式，来处理两岸问题。
    Měiguó fǎnduì Zhōngguó tōngguò wǔlì de fāngshì, lái chǔlǐ Liǎng'àn wèntí.
    The United States opposes China resolving the cross-strait issues through military force.