向 + Direction / Place + Verb / Verb Phrase - Expressing that the action of the verb is "to / towards (a certain direction / place)" with "xiàng + Direction / Place + Verb / Verb Phrase" (used to reference movement in a certain direction and towards a specific or abstract target)
Ropet像真宠物一样需要人照顾。每次饿的时候它会向主人发出声音，让主人注意到它。

Verb + 出(来) - Expressed after a verb to indicate completion of an action for "to come up with" or "to come into being" with "Verb + chu(lai)"
Ropet像真宠物一样需要人照顾。每次饿的时候它会向主人发出声音，让主人注意到它。
Ropet去年在Kickstarter上以299美元的价格推出。
它能感觉到周围环境的变化，然后做出反应。

只要…，就… - Expressing "as long as…, then..." with "zhǐyào...，jiù..." (the condition is one way but not the only way to bring about the effect)
只要给它吃水果，水果的图片就会出现在它的LED眼睛里。

和 / 跟 / 与...相比 - Expressing "to be compared with ..." with "hé / gēn / yǔ...xiāngbǐ"
刘玉琪说，与其他AI宠物相比，Ropet虽然不会说话，但它能够通过眼神和动作让她感到被需要。

通过 + Agent / Method - Expressing "by means of / via (a certain process) with "tōngguò + Agent / Method" (figurative meaning of passing through a process to reach a desired outcome)
刘玉琪说，与其他AI宠物相比，Ropet虽然不会说话，但它能够通过眼神和动作让她感到被需要。

Subject + 被 + Verb Phrase - Expressing the subject meets with an action without mentioning the 'doer' of the action (either because it is unknown, obvious or for other reasons) with "bèi"
刘玉琪说，与其他AI宠物相比，Ropet虽然不会说话，但它能够通过眼神和动作让她感到被需要。
另外，它还认识主人，喜欢被抚摸，并且有自己的性格。

以 + Object + Verb / Verb Phrase - Expressing "to use / by means of / for / at…" with "yǐ + Object + Verb / Verb Phrase" (used to introduce the object for an action)
Ropet去年在Kickstarter上以299美元的价格推出。

看上去... - Expressing "it would appear / it seems that…" with "kàn​shang​qu…"
Ropet看上去十分可爱，很快就受到了人们的欢迎。

十分 + Adj. / Verb - Expressing "very / completely / extremely…" with "shífēn + Adj. / Verb"
Ropet看上去十分可爱，很快就受到了人们的欢迎。

Verb / Adj. + 起来 - Expressed after verbs or adjectives to indicate the beginning and continuation of an action or state with "Verb / Adj. + qǐlái"
如果看到人很久没有笑，它就会想办法让人高兴起来。

另外… - Expressing "in addition / besides..." with "lìngwài..."
另外，它还认识主人，喜欢被抚摸，并且有自己的性格。

并且… - Expressing "besides / moreover / in addition…" with "bìngqiě…"
另外，它还认识主人，喜欢被抚摸，并且有自己的性格。

甚至… - Expressing "even / so much so that..." as "shènzhì..."
如果谁对它态度不好，它甚至会“生气”。

因此… - Expressing "therefore / thus / consequently..." with "yīncǐ..." (usually used in formal writing)
因此，AI宠物在将来会有更大的市场。