Mae'r Awdurdod Cystadleuaeth a Marchnadoedd wedi rhybuddio mewn adroddiad diweddar bod rhy ychydig o lawer o gartrefi, darpariaeth anodd ei rhagweld, a thargedau gwan, anghyson gan awdurdodau cynllunio lleol yng Nghymru.
The Competition and Markets Authority has warned in a recent report that in Wales there are far too few homes, unpredictable delivery, and weak, inconsistent targets from local planning authorities.
C1
Er bod ganddo rai manteision, rydym wedi clywed gan undebau sydd wedi rhybuddio y bydd yn effeithio ar ansawdd gwasanaeth a chynaliadwyedd gweithredwyr.
Whilst it has some advantages, we've heard from unions who have warned that it'll impact service quality and operator sustainability.
C1
Mae hynna wedi'ch rhybuddio chi nawr—rydych chi ar fin cael eich galw.
That's warned you now—you're about to be called.
B1
Ond os na wnewch chi hynny, mae'n rhybuddio, os collwch y cyfle, yna bydd rhaid ichi fewnforio model rhywun arall.
If you don't, however, she warns, if you miss the opportunity, then you end up importing somebody else's model.
B2